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Std ID |
Description (Standard Title) |
Detail |
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YS/T 237-2011
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The classification, brand and nomenclature of the chemicals in mineral processing
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YS/T 237-2011
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YS/T 239.1-1994
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Chemical analysis of antimony trisulfide
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YS/T 239.1-1994
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YS/T 239.1-2010
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Methods for chemical analysis of antimony trisulfide. Part 1: Determination of arsenic content. Cerium sulfate titration method
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YS/T 239.1-2010
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YS/T 239.2-1994
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Chemical analysis of antimony trisulfide. The barium sulfate gravimetric method for determination of combined sulfur
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YS/T 239.2-1994
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YS/T 239.2-2010
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Methods for chemical analysis of antimony trisulfide. Part 2: Determination of combined sulfur content. Combustion-neutralization titration method
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YS/T 239.2-2010
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YS/T 239.3-1994
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Chemical analysis of antimony trisulfide. The combustion-iodine volumetric method for determination of free sulfur
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YS/T 239.3-1994
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YS/T 239.3-2010
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Methods for chemical analysis of antimony trisulfide. Part 3: Determination of free sulfur content. Burning and sodium hydroxide titration method
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YS/T 239.3-2010
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YS/T 239.4-1994
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Chemical analysis of antimony trisulfide. Gravimetric method for determination of aqua-regia insolubles
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YS/T 239.4-1994
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YS/T 239.4-2010
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Methods for chemical analysis of antimony trisulfide. Part 4: Determination of aqua-regia insolubles content. Gravimetric method
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YS/T 239.4-2010
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YS/T 239.5-1994
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Chemical analysis of antimony trisulfide Gravimetric method for determination of hydrochloric acid insolubles
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YS/T 239.5-1994
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YS/T 239.5-2010
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Methods for chemical analysis of antimony trisulfide. Part 5: Determination of arsenic content. Arsenic molybdenum blue spectrophotometric method
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YS/T 239.5-2010
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YS/T 239.6-2010
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Methods for chemical analysis of antimony trisulfide. Part 6: Determination of iron content. Neighbouring phenanthroline spectrophotometric method
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YS/T 239.6-2010
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YS/T 239.7-2010
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Methods for chemical analysis of antimony trisulfide. Part 7: Determination of lead content. Flame atomic absorption spectrometric method
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YS/T 239.7-2010
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YS/T 240.10-2007
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Methods for chemical analysis of bismuth concentrate. Determination of aluminium oxide content. Chromazurol S spectrophotometric method
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YS/T 240.10-2007
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YS/T 240.11-2007
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Methods for chemical analysis of bismuth concentrate. Determination of silver content. Flame atomic absorption spectrometric method
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YS/T 240.11-2007
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YS/T 240.1-2007
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Methods for chemical analysis of bismuth concentrate. Determination of bismuth content. Na2EDTA titrimetric method
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YS/T 240.1-2007
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YS/T 240.2-2007
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Methods for chemical analysis of bismuth concentrate. Determination of lead content. Na2EDTA titrimetric method and flame atomic absorption spectrometric method
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YS/T 240.2-2007
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YS/T 240.3-2007
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Methods for chemical analysis of bismuth concentrate. Determination of silicon dioxide content. Molybdenum blue spectrophotometric method and gravimetric method
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YS/T 240.3-2007
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YS/T 240.4-2007
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Methods for chemical analysis of bismuth concentrate. Determination of tungsten trioxide content. Thiocyanate spectrophotometric method
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YS/T 240.4-2007
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YS/T 240.5-2007
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Methods for chemical analysis of bismuth concentrate. Determiantion of molybdenum content. Thiocyanate spectrophotometric method
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YS/T 240.5-2007
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YS/T 240.6-2007
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Methods for chemical analysis of bismuth concentrate. Determination of iron content. Potassium bichromate titrimetric method
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YS/T 240.6-2007
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YS/T 240.7-2007
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Methods for chemical analysis of bismuth concentrate. Determination of sulfur content. Combustion-neutralization titrimetric method
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YS/T 240.7-2007
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YS/T 240.8-2007
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Methods for chemical analysis of bismuth concentrate. Determination of arsenic content. DDTC-Ag spectrophotometric method and the extraction-iodometric method
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YS/T 240.8-2007
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YS/T 240.9-2007
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Methods for chemical analysis of bismuth concentrate. Determination of lead content. Iodometric method and the flame atomic absorption spectrometric method
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YS/T 240.9-2007
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YS/T 241-1994
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As-sintered hard metal blanks used in cold forging dies for steel ball
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YS/T 241-1994
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YS/T 241-2013
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Hardmetal blanks use for cold forging dies of steel ball
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YS/T 241-2013
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YS/T 24-1992
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Test method for defects of extended nails
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YS/T 24-1992
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YS/T 24-2016
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Test methods for spike of epitaxial layers
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YS/T 24-2016
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YS/T 242-1994
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(Chinese Industry Standard)
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YS/T 242-1994
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YS/T 242-2000
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Aluminium sheet for dial plates and ornaments
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YS/T 242-2000
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YS/T 242-2009
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Aluminium and aluminium alloys sheet for dial plates and ornaments
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YS/T 242-2009
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YS/T 243-1994
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(Chinese Industry Standard)
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YS/T 243-1994
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YS/T 243-2001
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Aluminium alloy reel of thread for textile tricot machines
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YS/T 243-2001
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YS/T 244.1-2008
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Chemical analysis methods of high purity aluminium. Part 1: Determination of iron content by 1, 10-phenanthroline-thiocyanate photometric method
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YS/T 244.1-2008
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YS/T 244.2-2008
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Chemical analysis methods of high purity aluminium. Part 2: Determination of silicon content by extraction-molybdenum blue photometric method
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YS/T 244.2-2008
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YS/T 244.3-2008
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Chemical analysis methods of high purity aluminium. Part 3: Determination of titanium content by diantipyrylmethane-thiocyanate photometric method
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YS/T 244.3-2008
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YS/T 244.4-2008
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Chemical analysis methods of high purity aluminium. Part 4: Determination of gallium content by butylrhodamine B photometric method
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YS/T 244.4-2008
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YS/T 244.5-2008
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Chemical analysis methods of high purity aluminium. Part 5: Determination of copper, zinc and lead content by anodic spripping voltammetric method
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YS/T 244.5-2008
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YS/T 244.6-2008
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Chemical analysis methods of high purity aluminium. Part 6: Determination of silver content by calalyze reaction system of manganese-persulfric acid method
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YS/T 244.6-2008
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YS/T 244.7-2008
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Chemical analysis methods of high purity aluminum. Part 7: Determination of cadmium content by extraction-dithizone photometric method
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YS/T 244.7-2008
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YS/T 244.8-2008
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Chemical analysis methods of high purity aluminum. Part 8: Determination of indium content by extraction-crystal violet photometric method
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YS/T 244.8-2008
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YS/T 244.9-2008
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Chemical analysis methods of high purity aluminum. Part 9: Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry
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YS/T 244.9-2008
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YS/T 245-1994
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Sintered molybdenum alloy mandrels for tube rolling
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YS/T 245-1994
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YS/T 245-2011
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Sintered molybdenum alloy mandrels for tube-rolling
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YS/T 245-2011
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YS/T 246-1994
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Lithium ribbon
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YS/T 246-1994
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YS/T 247-1994
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Cadmium round bars
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YS/T 247-1994
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YS/T 247-2011
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Cadmium rods
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YS/T 247-2011
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YS/T 248.10-2007
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Methods for chemical analysis of crude lead. Determination of iron content. Flame atomic absorption spectrometric method
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YS/T 248.10-2007
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YS/T 248.1-1985
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(Determination of lead content of crude lead EDTA volumetric method for chemical analysis)
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YS/T 248.1-1985
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YS/T 248.1-2007
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Methods for chemical analysis of crude lead. Determination of lead content. Na2EDTA titrimetric method
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YS/T 248.1-2007
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YS/T 248.2-1985
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(Methods for chemical analysis of crude lead pyrocatechol violet spectrophotometric determination of tin content)
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YS/T 248.2-1985
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YS/T 248.2-2007
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Methods for chemical analysis of crude lead. Determination of tin content. Phenylfuorone photometric method and potassium iodate titrimetric method
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YS/T 248.2-2007
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YS/T 248.3-1985
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(Determination of the amount of crude lead antimony chemical analysis of cerium sulfate volumetric method)
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YS/T 248.3-1985
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YS/T 248.3-2007
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Methods for chemical analysis of crude lead. Determination of antimony content. Flame atomic absorption spectrometric method
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YS/T 248.3-2007
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YS/T 248.4-1985
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(Spectrophotometric determination of the amount of crude lead antimony chemical analysis of 5-Br-PADAP)
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YS/T 248.4-1985
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YS/T 248.4-2007
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Methods for chemical analysis of crude lead. Determination of arsenic content. Molybdoantimonyarsenate blue photometric method and Extraction-iodometric method
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YS/T 248.4-2007
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YS/T 248.5-1985
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(Spectrophotometric determination of the amount of arsenic chemical analysis of crude lead arsenic, antimony molybdenum blue)
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YS/T 248.5-1985
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YS/T 248.5-2007
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Methods for chemical analysis of crude lead. Determination of copper content. Flame atomic absorption spectrometric method
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YS/T 248.5-2007
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YS/T 248.6-1985
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(Determination of copper content of crude lead chemical analysis of polarography)
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YS/T 248.6-1985
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YS/T 248.6-2007
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Methods for chemical analysis of crude lead. Determination of gold and silver content. Fire-assaying method
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YS/T 248.6-2007
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YS/T 248.7-1985
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(Methods for chemical analysis of crude lead fire assay - gravimetric method for the determination of gold and silver potassium thiocyanate assay volume capacity)
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YS/T 248.7-1985
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YS/T 248.7-2007
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Methods for chemical analysis of crude lead. Determination of silver content. Flame atomic absorption spectrometric method
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YS/T 248.7-2007
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YS/T 248.8-1985
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(Methods for chemical analysis of crude lead by atomic absorption spectrophotometry amount of gold)
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YS/T 248.8-1985
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YS/T 248.8-2007
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Methods for chemical analysis of crude lead. Determination of zinc content. Flame atomic absorption spectrometric method
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YS/T 248.8-2007
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YS/T 248.9-1985
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(Methods for chemical analysis of crude lead by atomic absorption spectrophotometry silver content)
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YS/T 248.9-1985
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YS/T 248.9-2007
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Methods for chemical analysis of crude lead. Determination of bismuth content. Flame atomic absorption spectrometric method
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YS/T 248.9-2007
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YS/T 249-1994
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Dithiophosphate25
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YS/T 249-1994
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YS/T 249-2011
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Dithiophosphate 25
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YS/T 249-2011
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YS/T 250-1994
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Nuclear-grade boron carbide powder
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YS/T 250-1994
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YS/T 251-1994
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Nuclear-grade boron carbide pellets
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YS/T 251-1994
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YS/T 25-1992
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(Polished silicon surface cleaning method)
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YS/T 25-1992
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YS/T 252.1-2007
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Methods for chemical analysis of nickel matte. Determination of nickel content. Dimethylglyoxime gravimetric method
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YS/T 252.1-2007
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YS/T 252.2-2007
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Methods for chemical analysis of nickel matte. Determination of iron content. Sulfosalicylic acid phototmetric method
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YS/T 252.2-2007
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YS/T 252.3-2007
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Methods for chemical analysis of nickel matte. Determination of cobalt content. Flame atomic absorption spectrometric method
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YS/T 252.3-2007
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YS/T 252.4-2007
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Methods for chemical analysis of nickel matte. Determination of copper content. Sodium thiosulphate titrimetric method
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YS/T 252.4-2007
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YS/T 252.5-2007
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Methods for chemical analysis of nickel matte. Determination of sulfur content. Combustion-neutralization titrimetric method
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YS/T 252.5-2007
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YS/T 253-1994
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Carbide tips for brazing on turning tools
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YS/T 253-1994
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YS/T 254.1-1994
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Methods for chemical analysis of beryllium concentrates-beryl The phosphate gravimetric method for the determination of beryllium oxide content
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YS/T 254.1-1994
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YS/T 254.1-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 1: Determination of beryllium oxide content. Phosphate gravimetry
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YS/T 254.1-2011
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YS/T 254.2-1994
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Methods for chemical analysis of beryllium concentrates-beryl The EDTA volumetric method for the determination of ferric sesquioxide content
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YS/T 254.2-1994
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YS/T 254.2-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 2: Determination of ferric oxide content. EDTA titrimetry and sulfosalicylic acid spectrophotometry
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YS/T 254.2-2011
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YS/T 254.3-1994
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Methods for chemical analysis of beryllium concentrates-beryl The molybdenum blue photometric method for the determination of phosphorus content
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YS/T 254.3-1994
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YS/T 254.3-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 3: Determination of phosphorus content. Phosphomlybdium vanadic acid spectrophotometry
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YS/T 254.3-2011
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YS/T 254.4-1994
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Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for determination of lithium oxide content
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YS/T 254.4-1994
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YS/T 254.4-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 4: Determination of lithium oxide contents. Flame atomic absorption spectrometry
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YS/T 254.4-2011
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YS/T 254.5-1994
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Methods for chemical analysis of beryllium concentrates-beryl The ion selective electrode method for the determination of fluorine content
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YS/T 254.5-1994
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YS/T 254.5-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 5: Determination of fluorine content. Ion selective electrode method
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YS/T 254.5-2011
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YS/T 254.6-1994
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Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for the determination of calcium oxide content
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YS/T 254.6-1994
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YS/T 254.6-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 6: Determination of calcium oxide content. Flame atomic absorption spectrometry
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YS/T 254.6-2011
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YS/T 254.7-1994
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Methods for chemical analysis of beryllium concentrates-beryl The gravimetric method for the determination of water content
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YS/T 254.7-1994
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YS/T 254.7-2011
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Methods for chemical analysis of beryllium concentrate and beryl. Part 7: Determination of water content. Gravimetric method
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YS/T 254.7-2011
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YS/T 255-1994
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(Chinese Industry Standard)
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YS/T 255-1994
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YS/T 255-2000
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Cobalt
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YS/T 255-2000
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YS/T 255-2009
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Cobalt
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YS/T 255-2009
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YS/T 256-1994
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(Chinese Industry Standard)
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YS/T 256-1994
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YS/T 256-2000
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Cobalt oxide
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YS/T 256-2000
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YS/T 256-2009
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Cobalt oxide
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YS/T 256-2009
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YS/T 257-1998
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Indium
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YS/T 257-1998
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YS/T 257-2009
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Indium ingots
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YS/T 257-2009
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YS/T 258-1994
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(Chinese Industry Standard)
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YS/T 258-1994
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