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GB/T 23834.6-2009 English PDF

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GB/T 23834.6-2009: Chemical analysis method for stannous sulfate -- Part 6: Determination of iron content. 1, 10-phenanthroline spectrophotometry
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GB/T 23834.6-2009English189 Add to Cart 3 days [Need to translate] Chemical analysis method for stannous sulfate -- Part 6: Determination of iron content. 1, 10-phenanthroline spectrophotometry Valid GB/T 23834.6-2009

PDF similar to GB/T 23834.6-2009


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Basic data

Standard ID GB/T 23834.6-2009 (GB/T23834.6-2009)
Description (Translated English) Chemical analysis method for stannous sulfate -- Part 6: Determination of iron content. 1, 10-phenanthroline spectrophotometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G10
Classification of International Standard 71.060.01
Word Count Estimation 8,892
Date of Issue 2009-05-18
Date of Implementation 2010-02-01
Quoted Standard GB/T 602; GB/T 603; GB/T 6682-2008; HG/T 3696.2; 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 phenanthroline (1, 10-phenanthroline, phenanthroline) spectrophotometric method for determination of tin sulfate principle determination of iron content, analysis steps and calculations. This section applies to the determination of iron content stannous sulfate. Measuring range: 0. 001% to 0. 050 %.

GB/T 23834.6-2009: Chemical analysis method for stannous sulfate -- Part 6: Determination of iron content. 1, 10-phenanthroline spectrophotometry


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Chemical analysis method for stannous sulfate Part 6. Determination of iron content 1, 10-phenanthroline spectrophotometry ICS 71.060.01 G10 National Standards of People's Republic of China Sulfite chemical analysis of tin Part 6. Determination of iron content Phenanthroline spectrophotometry method  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. alkaline earth metals and the total amount of sulfate - 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 Part of 623,834. 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 unit. Liuzhou China Tin Group Co., Ltd., CNOOC Tianjin Chemical Research Institute, Yunnan Tin Group has Limited liability company, Fine Chemicals Group Limited. The main drafters of this section. Lin cream, Yesu Juan, Liu Ruo, Xia Junling, Zhang Hongling, He Yingying. This section first release. Sulfite chemical analysis of tin Part 6. Determination of iron content Phenanthroline spectrophotometry method 

1 Scope

This section provides phenanthroline  morpholine (1,10-phenanthrene  morpholino, phenanthroline) Determination of stannous sulfate in analytical determination of iron content Principle, analytic procedures and the results of calculations. This section applies to the determination of iron content stannous sulfate. Measurement range. 0.001% to 0.050%.

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. Preparation of standard solution of GB/T 602 chemical reagent determination of impurities (GB/T 602-2002, ISO 6353-1. 1982, NEQ) 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) Preparation of HG/T 3696.2 inorganic chemical products, chemical analysis of impurity standard solution Preparations of HG/T 3696.3 inorganic chemical products, chemical analysis

3 PRINCIPLE OF THE METHOD

Sample hydrochloride, dissolved hydrogen peroxide, in a sample of the iron ions in acidic conditions reduced to ferrous iron with hydroxylamine hydrochloride, tartaric added Interference acid, disodium edetate elimination of tin ions; at pH5 ~ 6 medium iron (Ⅱ) with 1,10-phenanthrene  morpholine to form a red complex Matter, this complex in line with Lambert - Beer law; measuring the absorbance in a spectrophotometer at a wavelength of 510nm, calculated to obtain iron.

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 used in the test standard solution, preparations and products, did not indicate when the other requirements, according to GB/T 602, GB/T 603 or HG/T 3696.2, the provisions of HG/T 3696.3 of preparation.

6 Reagents

6.1 hydrochloric acid; 6.2 Hydrogen peroxide (30%); 6.3 hydrochloric acid solution. 1 + 19;

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