GB/T 3253.10-2009 English PDF

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GB/T 3253.10-2009: Methods for chemical analysis of antimony and antimony trioxide -- Determination of mercury content -- Atomic fluorescence spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3253.10-2009	139	Add to Cart	3 days	Methods for chemical analysis of antimony and antimony trioxide -- Determination of mercury content -- Atomic fluorescence spectrometric method	Valid

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Basic data

Standard ID: GB/T 3253.10-2009 (GB/T3253.10-2009)
Description (Translated English): Methods for chemical analysis of antimony and antimony trioxide -- Determination of mercury content -- Atomic fluorescence spectrometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G13
Classification of International Standard: 77.120.99
Word Count Estimation: 6,680
Date of Issue: 2009-04-08
Date of Implementation: 2010-02-01
Regulation (derived from): National Standard Approval Announcement 2009 No.4 (Total No.144)
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 the determination of antimony and antimony trioxide in the amount of mercury. This section adapted to the determination of antimony and antimony trioxide in the amount of mercury. Measuring range: 0. 000020% ~ 0. 0003%.

GB/T 3253.10-2009: Methods for chemical analysis of antimony and antimony trioxide -- Determination of mercury content -- Atomic fluorescence spectrometric method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for chemical analysis of antimony and antimony trioxide.Determination of mercury content.Atomic fluorescence spectrometric method ICS 77.120.99 G13 National Standards of People's Republic of China Methods for chemical analysis of antimony and antimony trioxide Determination of the amount of mercury Atomic Fluorescence Spectrometry Posted 2009-04-08 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 3253 "Methods for chemical analysis of antimony and antimony trioxide," a total of 11 parts. --- GB/T 3253.1-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of arsenic content of arsenic molybdenum blue spectrophotometric method; --- Determination of GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide amount of iron phenanthroline spectrophotometry; --- Flame atomic GB/T 3253.3-2008 Methods for chemical analysis of antimony and antimony trioxide amount of lead absorption spectrometry; --- GB /determination of sulfur content of antimony and antimony trioxide chemical analysis of combustion and T 3253.4-2009 law; --- GB/T 3253.5-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometry; --- GB/T 3253.6-2008 and antimony trioxide of selenium content - Atomic fluorescence spectrometry; --- GB/T 3253.7-2009 Methods for chemical analysis of antimony and antimony trioxide bismuth content - Atomic fluorescence spectrometry; --- GB/T 3253.8-2009 Methods for chemical analysis of antimony and antimony trioxide - Determination of the amount of iodometry; --- Flame atomic GB/T 3253.9-2009 Methods for chemical analysis of antimony and antimony trioxide amount of cadmium absorption spectrometry; --- GB/T 3253.10-2009 Methods for chemical analysis of antimony and antimony trioxide - Determination of the amount of mercury atomic fluorescence spectrometry; --- Atomic GB/T 3253.11-2009 Methods for chemical analysis of antimony and antimony trioxide bismuth content absorption spectrometry. This section section 10. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is responsible for drafting unit. tin mine flash-antimony industry limited liability company. It participated in the drafting of this section. Hunan Exit Inspection and Quarantine, Beijing General Research Institute of Mining and Metallurgy. The main drafters of this section. Wu Donghua, Song should ball, Mao Xiaohong, Chenxin Huan, Yuan Yuxia, Yang Wanbiao. Methods for chemical analysis of antimony and antimony trioxide Determination of the amount of mercury Atomic Fluorescence Spectrometry

1 Scope

This section provides the determination of antimony and antimony trioxide in mercury content. This section is adapted to the amount of antimony and antimony trioxide - Determination of mercury in. Measurement range. 0.000020% ~ 0.0003%.

2 Method summary

Sample was dissolved in aqua regia, in hydrochloric acid medium, with potassium borohydride as a reducing agent, with argon as the carrier gas, and the resulting mercury vapor atomic import stone British furnace atomizer, the fluorescence intensity was measured on a mercury atomic fluorescence spectrometer.

3 Reagents and materials

This test water is highly purified water (resistivity greater than 18MΩ). 3.1 potassium borohydride. 3.2 hydrochloric acid (ρ1.19g/mL pure class distinctions). 3.3 nitrate (ρ1.42g/mL pure class distinctions). 3.4 aqua regia (1 + 1). three volumes of hydrochloric acid (3.2), one volume of nitric acid (3.3), and four volumes of water mixed preparation. 3.5 hydrochloric acid solution (95 + 1). 3.6 potassium hydroxide solution (100g/L is formulated with superior grade purity potassium). 3.7 solution of potassium borohydride (0.5g/L). Weigh 0.25g potassium borohydride (3.1), add 25mL of potassium hydroxide solution (3.6), add 475mL Water, dissolve completely when using existing service. 3.8 potassium dichromate solution (50g/L). 3.9 standard solution 3.9.1 Storage mercury standard solution. Accurately weigh 0.1354g dried 24h in advance with sulfuric acid mercuric chloride in 100mL beaker, add a small amount Dissolved in water, was added 50mL of nitric acid (3.3), 10mL potassium dichromate solution (3.8). Moved into 1000mL volumetric flask, dilute to the mark with water Degree, and mix. This solution containing 0.1mg of mercury per milliliter. 3.9.2 Mercury standard solution A. Pipette 10mL mercury standard stock solution (3.9.1) in 100mL flask, add 5mL nitric acid (3.3), 1mL potassium dichromate solution (3.8) diluted with water to volume, and mix. This solution containing 10μg per ml mercury. 3.9.3 Mercury standard solution B. Pipette 1.00mL mercury standard solution (3.9.2) in 100mL flask, add 5mL nitric acid (3.3), 1mL potassium dichromate solution (3.8) diluted with water to volume, and mix. This solution containing 0.1μg of mercury per milliliter. 3.10 Materials Argon (mass fraction ≥99.99%). shielding gas and carrier gas.

4 Instrument

Atomic fluorescence spectrometer, with a special mercury hollow cathode lamp. Under optimum working conditions for those who can reach the following indicators can be used. --- The detection limit. not more than 1 × 10-10g/mL; --- Precision. The fluorescence intensity was measured with a standard solution of mercury 2ng/mL 10 times, and the standard deviation should not exceed the mean fluorescence intensity 5.0%; ......

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