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GB/T 23834.4-2009 English PDF

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GB/T 23834.4-2009: Chemical analysis method for stannous sulfate -- Part 4: Determination of lead and copper content -- Flame atomic absorption spectrometry
Status: Valid
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GB/T 23834.4-2009English189 Add to Cart 3 days [Need to translate] Chemical analysis method for stannous sulfate -- Part 4: Determination of lead and copper content -- Flame atomic absorption spectrometry Valid GB/T 23834.4-2009

PDF similar to GB/T 23834.4-2009


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Basic data

Standard ID GB/T 23834.4-2009 (GB/T23834.4-2009)
Description (Translated English) Chemical analysis method for stannous sulfate -- Part 4: Determination of lead and copper content -- Flame atomic absorption spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G10
Classification of International Standard 71.060.01
Word Count Estimation 8,825
Date of Issue 2009-05-18
Date of Implementation 2010-02-01
Regulation (derived from) 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 stannous sulfate of lead, Determination of copper content-Flame atomic absorption spectrometry method for spectrophotometric principle, safety tips, General Provisions, Determination of lead content, Determination of copper content. This section applies to stannous sulfate of lead, Determination of copper content. Measuring range: 0. 003% to 0. 05% Pb, 0. 001% to 0. 05% Cu.

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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Chemical analysis method for stannous sulfate Part 4. Determination of lead and copper content Flame atomic absorption spectrometry ICS 71.060.01 G10 National Standards of People's Republic of China Sulfite chemical analysis of tin Determination of lead, copper content. Part 4 Flame Atomic Absorption Spectrometry 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 Part of 423,834. 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. Yunnan Tin Group Co., Ltd., Fine Chemicals Group Co., Ltd., CNOOC Tianjin Chemical RESEARCH Institute study. The main drafters of this section. Dingxi Bo, of Liu Sheng, Jin Honghai Liu Ruo Yang Pei. This section first release. Sulfite chemical analysis of tin Determination of lead, copper content. Part 4 Flame Atomic Absorption Spectrometry

1 Scope

This section provides sulfite tin Determination of lead, copper content - Flame atomic absorption spectrophotometric analysis of the principle of safety Tips, general provisions, Determination of lead content, copper content. This section applies to the determination of lead stannous, copper content of sulfuric acid. Measurement range. 0.003% to 0.05% Pb; ~ 0.001% copper 0.05%.

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

Under acidic conditions The sample is dissolved by the sample to be tested in a flame into the ion atomic vapor, the ground state of atomic vapor absorption Receive resonance light emitted from the light source portion, through which the light intensity of atomic vapor width follow Lambert Beer's law. In this measurement sample The measured ion concentration.

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 II 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 Determination of lead content

6.1 Reagents 6.1.1 aqua regia;

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