GB/T 23834.3-2009Chemical analysis method for stannous sulfate - Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate - Gravimetric method (English PDF)
硫酸亚锡化学分析方法 第3部分：碱金属和碱土金属硫酸盐总量的测定 重量法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 18, 2009
Implementation date
February 1, 2010
Scope
GB/T 23834.3-2009 is the English-translated version of 硫酸亚锡化学分析方法 第3部分：碱金属和碱土金属硫酸盐总量的测定 重量法.
GB/T 23834.3-2009 is the Chinese standard "Chemical analysis method for stannous sulfate - Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate - Gravimetric method".
Its scope clause reads: This section specifies the method for determination of the principles of stannous sulfate in the total amount of alkali and alkaline earth metal sulfates, safety tips, general regulation Set, the analysis step, the calculation results.
This section applies to the determination of stannous sulfate of alkali and alkaline earth metal sulfate content. Measuring range. 0.02% to 0.20%. Its clauses include principle of the method; safety tips; general provisions; reagents; instruments and equipment.
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Document preview — GB/T 23834.3-2009
National Standard of the People's Republic of China
- ICS
- 71.060.01
- Classification
- G 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 PRINCIPLE OF THE METHOD
- 4 Safety Tips
- 5 General Provisions
- 6 Reagents
- 7 instruments and equipment
1 Scope
This section specifies the method for determination of the principles of stannous sulfate in the total amount of alkali and alkaline earth metal sulfates, safety tips, general regulation
Set, the analysis step, the calculation results.
This section applies to the determination of stannous sulfate of alkali and alkaline earth metal sulfate content. Measuring range. 0.02% to 0.20%.
2 Normative references
The following documents contain provisions which, through reference GB/T 23834 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 603 chemical reagent test methods in the formulation and preparation of products (GB/T 603-2002, ISO 6353-1 with. 1982,
NEQ)
GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
Preparations of HG/T 3696.3 inorganic chemical products, chemical analysis
3 PRINCIPLE OF THE METHOD
Samples with hydrochloric acid - hydrogen bromide, hydrogen peroxide dissolved, hydrochloric acid - volatile hydrobromide row tin with thioacetamide heavy metal precipitation, burning as
Sulfate were weighed, measured the total amount of alkali metals and alkaline earth metal sulfates.
4 Safety Tips
Reagents used in this test method are toxic or corrosive, be careful when operating! As splashed on the skin or eyes should stand
That is rinsed with water, severe cases should be treated immediately.
5 General Provisions
This standard reagents and water, did not indicate when the other requirements, refer to analytically pure reagents and GB/T 6682-2008 stipulated three
Grade water. Impurities in the test standard solution, preparations and products, did not indicate when the other requirements, according to GB/T 603 or
HG/T 3696.3 regulations of preparation.
6 Reagents
6.1
Hydrogen peroxide (30%);
Sulfuric acid solution was 6.2. 1 + 1;
6.3 hydrochloric acid - hydrogen bromide
commercially available reagents mixed in equal volumes;
6.4 thioacetamide
50g/L.
7 instruments and equipment
High-temperature furnace. 750 °C ~ 800 °C.
GB/T 23940-2021 | GB/T 23769-2009 | GB/T 23774-2009 | GB/T 23834.7-2026 | GB/T 23834.5-2009 | GB/T 23834.4-2009 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 23834.1-2009 — Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate
GB/T 23834.2-2009 — Chemical analysis method for stannous sulfate - Part 2: Determination of insoluble substance in hydrochloric acid - Gravimetric method
GB/T 23834.4-2009 — Chemical analysis method for stannous sulfate - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometry
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