GB/T 31192-2014Test method of arsenic content for copper series arsenic removal capacity at room temperature (English PDF)
常温铜系脱砷剂砷容试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 3, 2014
Implementation date
May 1, 2015
Scope
GB/T 31192-2014 is the English-translated version of 常温铜系脱砷剂砷容试验方法.
GB/T 31192-2014 is the Chinese standard "Test method of arsenic content for copper series arsenic removal capacity at room temperature". Its scope clause reads: This standard specifies the room temperature copper arsenic arsenic removal capacity test methods.
This standard applies to copper oxide-based active ingredient, removal of light hydrocarbons dearsenic arsine at room temperature.
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Document preview — GB/T 31192-2014
National Standard of the People's Republic of China
- ICS
- 71.100.99
- Classification
- G 74
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the room temperature copper arsenic arsenic removal capacity test methods.
This standard applies to copper oxide-based active ingredient, removal of light hydrocarbons dearsenic arsine at room temperature.
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.
Preparation of GB/T 601 chemical reagent standard titration solution
GB/T 603 chemical reagent in test methods - Preparations with
GB/T 6003.1-2012 Test sieves - Technical requirements and testing - Part 1. Test sieves of metal wire cloth
GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 analytical laboratory use specifications and test methods
General method for determination of arsenic content GB/T 7686 chemical products
Principle 3
Arsine and light hydrocarbons in ambient temperature copper-based arsenic removal of the active ingredient copper oxide reacts arsenic copper alloy, copper, and arsenic, which
Removal of light hydrocarbons in arsine. The chemical reaction equation is as follows.
3CuO 2AsH3 = Cu3As As 3H2O
3CuO 2AsH3 = 3Cu 2As 3H2O
By reduction with sodium hypophosphite - Determination of arsenic content in iodometry dearsenic to calculate dearsenic arsenic content.
4 test device
4.1 Process
Room temperature copper arsenic arsenic removal capacity of the test apparatus is shown in Figure 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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