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GB/T 23834.3-2009: Chemical analysis method for stannous sulfate -- Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate -- Gravimetric method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23834.3-2009 | English | 189 |
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Chemical analysis method for stannous sulfate -- Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate -- Gravimetric method
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GB/T 23834.3-2009
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Basic data | Standard ID | GB/T 23834.3-2009 (GB/T23834.3-2009) | | Description (Translated English) | Chemical analysis method for stannous sulfate -- Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate -- Gravimetric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G10 | | Classification of International Standard | 71.060.01 | | Word Count Estimation | 8,834 | | Date of Issue | 2009-05-18 | | Date of Implementation | 2010-02-01 | | Quoted Standard | GB/T 603; GB/T 6682-2008; HG/T 3696.3 | | Regulation (derived from) | PRC National Standard Approval Announcement 2009 No.6 (Total No.146) | | 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 method for determination of the principles of stannous sulfate in the total amount of alkali and alkaline earth metal sulfates, safety tips, General Provisions, analysis step, calculated results. This section applies to the determination of tin sulfate alkali metals and alkaline earth metal sulfate content. Measuring range: 0. 02% to 0. 20 %. | GB/T 23834.3-2009: Chemical analysis method for stannous sulfate -- Part 3: Determination of alkali metals sulfate and alkaline-earth metals sulfate -- Gravimetric method
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Chemical analysis method for stannous sulfate Part 3. Determination of alkali metals sulfate and alkaline-earth metals sulfate Gravimetric method
ICS 71.060.01
G10
National Standards of People's Republic of China
Sulfite chemical analysis of tin
Part 3. alkali metal and alkaline earth metal sulfates
Determination of the total weight of the law
Posted 2009-05-18
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 23834-2009 "sulfite chemical analysis of tin" is divided into six parts.
--- Part 1. Determination of tin sulfate dichromate method
--- Part 2. hydrochloric acid insoluble matter - Gravimetric method
--- Part 3. the total amount of alkali and alkaline earth metal sulfates Gravimetric method
--- Part 4. lead, copper content - Flame Atomic Absorption Spectrometry
--- Part 5. Determination of arsenic content diethyl dithiocarbamate spectrophotometry silver
--- Part 6. Determination of iron content phenanthroline spectrophotometry method
This section GB/T 23834 Part 3.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee chemical inorganic chemicals Club (SAC/TC63/SC1) centralized.
This section is responsible for drafting units. Fine Chemicals Group Co., Ltd., Yunnan Tin Group Co., Ltd., CNOOC Tianjin Chemical RESEARCH
Institute study.
The main drafters of this section. Jin Honghai, He Yingying, Yang Zihua, Liu Ruo, Guofeng Xin.
This section first release.
Sulfite chemical analysis of tin
Part 3. alkali metal and alkaline earth metal sulfates
Determination of the total weight of the law
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 ℃ \u200b\u200b~ 800 ℃.
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