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GB/T 4325.11-2013 English PDF

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GB/T 4325.11-2013: Methods for chemical analysis of molybdenum -- Part 11: Determination of aluminum content -- Chrome azurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
Status: Valid

GB/T 4325.11: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4325.11-2013English229 Add to Cart 3 days [Need to translate] Methods for chemical analysis of molybdenum -- Part 11: Determination of aluminum content -- Chrome azurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry Valid GB/T 4325.11-2013
GB/T 4325.11-1984English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of molybdenum--The chrome azurol S photometric method for the determination of aluminum content Obsolete GB/T 4325.11-1984

PDF similar to GB/T 4325.11-2013


Standard similar to GB/T 4325.11-2013

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Basic data

Standard ID GB/T 4325.11-2013 (GB/T4325.11-2013)
Description (Translated English) Methods for chemical analysis of molybdenum -- Part 11: Determination of aluminum content -- Chrome azurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H63
Classification of International Standard 77.120.99
Word Count Estimation 10,137
Older Standard (superseded by this standard) GB/T 4325.11-1984
Quoted Standard GB/T 6682; GB/T 12806; GB/T 12808; GB/T 12809; GB/T 12810
Regulation (derived from) National Standards Bulletin 2013 No. 6
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the molybdenum powder, molybdenum, molybdenum trioxide, ammonium molybdate method for the determination of aluminum content. This section applies to molybdenum powder, molybdenum, molybdenum trioxide, molybdic acid by aluminum cont

GB/T 4325.11-2013: Methods for chemical analysis of molybdenum -- Part 11: Determination of aluminum content -- Chrome azurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry



---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.
Methods for chemical analysis of molybdenum Part 11... Determination of aluminum content Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4325.11-1984 Chemical analysis of molybdenum Part 11. Determination of aluminum content Chromium Azure S spectrophotometry and inductively coupled Plasma atomic emission spectrometry Part 11. Determinationofaluminumcontent- Issued on. 2014-02-01 2013-05-09 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 4325 "chemical analysis of molybdenum" is divided into 26 parts. --- Part 1. Determination of lead content - Graphite furnace atomic absorption spectrometry; --- Part 2. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 3. Determination of bismuth content - atomic fluorescence spectrometry; --- Part 4. Determination of tin content by atomic fluorescence spectrometry; --- Part 5. Determination of antimony content - Atomic Fluorescence Spectrometry; --- Part 6. Determination of arsenic content by atomic fluorescence spectrometry; --- Part 7. Determination of the amount of iron phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry; --- Part 8. Determination of cobalt content of cobalt reagents spectrophotometry and flame atomic absorption spectrometry; --- Part 9. Determination of the amount of nickel dimethylglyoxime spectrophotometric method and the flame atomic absorption spectrometry; --- Part 10. Determination of copper content - Flame atomic absorption spectrometry; --- Part 11. Determination of aluminum content of chromium azure S spectrophotometry and inductively coupled plasma atomic emission spectrometry; --- Part 12. silicon content - Inductively coupled plasma atomic emission spectrometry; --- Part 13. Determination of calcium content by flame atomic absorption spectrometry; --- Part 14. Determination of magnesium content - Flame atomic absorption spectrometry; --- Part 15. Determination of sodium content by flame atomic absorption spectrometry; --- Part 16. Determination of potassium content by flame atomic absorption spectrometry; --- Part 17. Determination of titanium content of two methane antipyrine spectrophotometry and inductively coupled plasma atomic emission spectrometry; --- Part 18. Determination of the amount of vanadium tantalum reagent spectrophotometry and inductively coupled plasma atomic emission spectrometry; --- Part 19. Determination of chromium content of diphenyl carbon acid dihydrazide spectrophotometry; --- Part 20. Determination of manganese content by flame atomic absorption spectrometry; --- Part 21. Determination of the amount of carbon and sulfur content of the high-frequency combustion infrared absorption method; --- Part 22. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 23. Determination of the oxygen and nitrogen inert gas fusion infrared absorption method - thermal conductivity method; --- Part 24. Determination of tungsten content - Inductively coupled plasma atomic emission spectrometry; --- Part 25. Determination of the amount of hydrogen in the inert gas fusion infrared absorption method/thermal conductivity method; --- Part 26. aluminum, magnesium, calcium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, arsenic, cadmium, tin, antimony, tungsten, lead and bismuth content - Inductively coupled Co-Plasma Mass Spectrometry. This section GB/T Part of 114,325. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4325.11-1984 "chemical analysis of molybdenum chrome azure S photometric method for determination of aluminum content." This portion GB/T 4325.11-1984 compared to the main technical changes are as follows. --- Measurement range was adjusted to 0.0005% to 1.0%; --- Added "inductively coupled plasma atomic emission spectrometry"; --- Supplemental test reporting requirements. The method of analysis of this part of an arbitration method. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Beijing Nonferrous Metal Research Institute, Guangzhou Nonferrous Metal Research Institute, Western Metal Materials Co., Ltd., Baoji Titanium Group Co., Ltd., Northwest Nonferrous Metal Research Institute. The main drafters of this section. Mexican Shumin, Wang Changhua, Chen Jue, Panyuan Hai, Li Jidong, Hanwei Ru, Xiong Xiaoyan, Wang Jin, Redevex school, Li Tuo. This part of the standard replaces the previous editions are. --- GB/T 4325.11-1984. Chemical analysis of molybdenum Part 11. Determination of aluminum content Chromium Azure S spectrophotometry and inductively coupled Plasma atomic emission spectrometry

1 Scope

GB/T 4325 provisions of this part of the molybdenum powder, molybdenum, molybdenum trioxide, ammonium molybdate determination of aluminum content. This section applies to molybdenum powder, molybdenum, molybdenum trioxide, ammonium molybdate determination of aluminum content. A method for measuring range. 0.0005% 0.025%; Method two measuring range. 0.0050% to 1.00%.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6682 analytical laboratory use specifications and test methods (ISO 3696) GB/T 12806 Laboratory glassware single marking flask (ISO 1042) GB/T 12808 standard laboratory glassware single line pipette (ISO 648) GB/T 12809 laboratory design and construction principles of glassware gauges (ISO 384) GB/T 12810 calibration laboratory capacity and methods of use of glassware gauges (ISO 4787)

3 General

3.1 Unless otherwise stated, the use of analytical reagent only recognized in the analysis; the water is distilled or deionized water or equivalent purity, Shall comply with GB/T 6682's. 3.2 instruments shall be within the test cycle, the performance indicators should meet the technical parameters required for verification; glass containers GB/T 12808, GB/T 12809, GB/T 12806 stipulated A-level, with reference to the specific use of GB/T 12810 of. Method 4 a Chromium Azure S Spectrophotometry 4.1 Method summary Sample to decomposition of hydrogen peroxide and sodium hydroxide, potassium pyrophosphate residue was melted, flooding in pH8.5 ~ 9.0, the extracted with ethyl acetate Take aluminum tantalum reagent complexes were separated by dilute hydrochloric acid, after back-extraction, in hexamethylenetetramine buffer solution, aluminum and chrome azure S generated purple Red complex, measuring the absorbance. 4.2 Reagents 4.2.1 coke potassium sulfate. 4.2.2 Hydrogen peroxide (ρ = 1.10g/mL). 4.2.3 ethyl acetate.

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