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YS/T 520.12-2007 English PDF

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YS/T 520.12-2007: Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method
Status: Valid

YS/T 520.12: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 520.12-2007English229 Add to Cart 3 days [Need to translate] Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method Valid YS/T 520.12-2007
YS/T 520.12-2006English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of gallium. The spectrochemical method for the determination of lead, coper, nickel, aluminum, indium and zinc contents Obsolete YS/T 520.12-2006

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Basic data

Standard ID YS/T 520.12-2007 (YS/T520.12-2007)
Description (Translated English) Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H14
Classification of International Standard 77.120.70
Word Count Estimation 7,754
Date of Issue 2007-11-14
Date of Implementation 2008-05-01
Older Standard (superseded by this standard) YS/T 520.12-2006
Regulation (derived from) NDRC Notice No. 77 of 2007
Issuing agency(ies) National Development and Reform Commission
Summary This standard specifies the gallium lead, copper, nickel, aluminum, indium, zinc content determination method. This standard applies to gallium [w (Ga) �R 99. 999%] of lead, copper, nickel, aluminum, indium, zinc simultaneous determination. Measuring range in Table 1.

YS/T 520.12-2007: Chemical analysis of gallium. Part 12: Determination of lead, coper, nickel, aluminum, indium and zinc content. The spectrochemical method


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Chemical analysis of gallium.Part 12. Determination of lead, coper, nickel, aluminum, indium and zinc content.The spectrochemical method ICS 77.120.70 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 520.12-2006 Chemical analysis of gallium Part 12. lead, copper, nickel, aluminum, indium, zinc Determination of chemical spectroscopy Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

YS/T 520-2007 "Chemical analysis of gallium" Is the YS/T 520-2006 (formerly GB/T 4375-1984) amendments, divided into Part 12. --- Part 1. Determination of copper content of 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline spectrophotometry --- Part 2. Determination of lead content of 4- (2-pyridyl) - resorcinol spectrophotometry --- Part 3. Determination of aluminum content Chromazurol S- tetradecyl pyridine bromide spectrophotometric method --- Part 4. Determination of iron content of 4,7-diphenyl-1,10-phenanthroline spectrophotometry --- Part 5. Determination of calcium content nitrous oxide - acetylene flame atomic absorption spectrometry --- Part 6. Determination of tin content salicylfluorone - cetyl trimethyl ammonium bromide, spectrophotometry --- Part 7. Determination of silicon content extraction - molybdenum blue spectrophotometric method --- Part 8. Determination of indium content of ethyl violet spectrophotometry --- Part 9. Determination of germanium content Phenylfluorone - polyethylene glycol octyl phenyl ether extraction spectrophotometric method --- Part 10. Determination of zinc content atomic absorption spectrometry --- Part 11. Determination of mercury content of the cold atomic absorption spectrometry --- Part 12. lead, copper, nickel, aluminum, indium and zinc Determination of chemical spectroscopy This is Part 12. The partial replacement of YS/T 520.12-2006 (formerly GB/T 4375.12-1984). This part is the determination of YS/T 520.12-2006 "Chemical analysis of gallium Part 12 lead, copper, nickel, aluminum, indium and zinc content Chemical spectroscopy "editorial finishing. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This standard by the Aluminum Corporation of China Shandong branch responsible for drafting. This section drafters. Zhang Xinyu, Zhongxiu Xia. The non-ferrous metal part by the National Standardization Technical Committee responsible for the interpretation. This part of the standard replaces the previous editions are. --- YS/T 520.12-2006 (formerly GB/T 4375.12-1984). Chemical analysis of gallium Part 12. lead, copper, nickel, aluminum, indium, zinc Determination of chemical spectroscopy

1 Scope

This section provides lead, copper, nickel, aluminum, indium, gallium determination of zinc content in. This section applies to gallium [(Ga) ≥99.999%] of lead, copper, nickel, aluminum, indium, zinc content simultaneously. Determination of the range in Table 1. Table 1 Measuring element Measuring range /% Lead 5 × 10-5 ~ 3 × 10-4 Copper 5 × 10-5 ~ 3 × 10-4 Nickel 5 × 10-6 ~ 5 × 10-5 Aluminum 5 × 10-6 ~ 5 × 10-5 Indium 1 × 10-5 ~ 1 × 10-4 Zinc 1 × 10-5 ~ 1 × 10-4

2 Method summary

Sample in hydrochloric acid and nitric acid to dissolve. In 7.5mol/L HCl medium, isopropyl ether extraction separation body gallium enrichment in the aqueous phase Miscellaneous Quality (lead, copper, nickel, aluminum, indium, zinc) to the solution of the residue method, using spark excitation light source or AC arc light source, spectral measurement.

3 Reagents

3.1 hydrochloric acid (ρ1.19g/cm 3). After quartz distiller purified by distillation at 95 ℃ calibration concentration. 3.2 hydrochloric acid (7.5mol/L). formulated with hydrochloric acid (3.1). 3.3 hydrochloric acid (6mol/L). formulated with hydrochloric acid (3.1). 3.4 nitrate (ρ1.42g/cm 3). The quartz distiller 120 ℃ purified by distillation. 3.5 nitric acid (1 + 1). formulated with nitric acid (3.4). 3.6 isopropyl ether. in a separatory funnel first with hydroxylamine hydrochloride solution (100g/L) or ferrous ammonium sulfate solution (200g/L) was removed by washing with shaking peroxide Thereof, then transferred to a distillation flask in a water bath at 80 ℃ purified by distillation, collecting 67 ℃ ~ 69 ℃ distillate. Before use hydrochloric acid (3.2) saturated. 3.7 Deionized water. conductivity greater than 10S/m. 3.8 polystyrene benzene solution (1.5%). 3.9 lead standard stock solution. Weigh 1.0000g spectra of pure lead [(Pb) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added (3.1), water (3.7) diluted to the mark, and mix. This solution 1mL containing 1.0mg lead. 3.10 Copper Standard stock solution. Weigh 1.0000g copper spectrum [(Cu) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added (3.1), water (3.7) diluted to the mark, and mix. This solution 1mL containing 1.0mg of copper. 3.11 Nickel standard stock solution. Weigh 1.0000g spectrum pure nickel [(Ni) ≥99.99%], placed in 300mL beaker, add 10mL Nitric acid (3.5), after the dissolution of the low temperature, the solution was evaporated to a low volume, cooling is removed and transferred to 1000mL volumetric flask, 100mL of hydrochloric acid was added

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