YS/T 521.4-2009 English PDF

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YS/T 521.4-2009: Methods for chemical analysis of blister copper. Determination of lead, bismuth and antimony contents. Flame atomic absorption spectrometry
Status: Valid

YS/T 521.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 521.4-2009	159	Add to Cart	3 days	Methods for chemical analysis of blister copper. Determination of lead, bismuth and antimony contents. Flame atomic absorption spectrometry	Valid
YS/T 521.4-2006	199	Add to Cart	2 days	Methods for chemical analysis of blister copper -- Determination of Lead, Bismuth and Antimony contents	Obsolete

Similar standards

GB/T 3884.2   GB/T 3884.1   YS/T 521.2   YS/T 521.3   YS/T 521.1   

Basic data

Standard ID: YS/T 521.4-2009 (YS/T521.4-2009)
Description (Translated English): Methods for chemical analysis of blister copper. Determination of lead, bismuth and antimony contents. Flame atomic absorption spectrometry
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.30
Word Count Estimation: 6,638
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 521.4-2006
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies: lead, bismuth, antimony content Determination blister copper. This standard applies to blister copper lead, bismuth, antimony content measured. Measuring range: lead mass fraction of 0. 05% to 0. 60%, bismuth mass fraction of 0. 008% to 0. 15%, antimony mass fraction of 0. 02% to 0. 60 %.

YS/T 521.4-2009: Methods for chemical analysis of blister copper. Determination of lead, bismuth and antimony contents. Flame atomic absorption spectrometry

---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 blister copper.Determination of lead, bismuth and antimony contents.Flame atomic absorption spectrometry ICS 77.120.30 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 521.4-2006 Methods for chemical analysis of blister copper Part 4. lead, bismuth, antimony contents - Flame Atomic Absorption Spectrometry Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 521-2009 "blister chemical analysis method" is divided into six sections. --- Part 1. Determination of copper content Iodometry --- Part 2. Determination of the amount of gold and silver fire assay --- Part 3. Determination of arsenic content Method 1 Hydride Generation - Atomic Fluorescence Spectrometry Method 2 potassium bromate titration --- Part 4. lead, bismuth, antimony content - Flame Atomic Absorption Spectrometry --- Part 5. Determination of zinc and nickel content by flame atomic absorption spectrometry --- Part 6. Inductively coupled plasma atomic arsenic, lead, bismuth, antimony, zinc and nickel emission spectrometry This section YS/T Part 4 521. The partial replacement of YS/T 521.4-2006 "blister chemical analysis of lead, bismuth and antimony contents -" (formerly GB/T 5120.4- 1995). Compared with YS/T 521.4-2006, this part of the following changes. --- Text format has been modified; --- Complements the precision and quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting unit. Daye Nonferrous Metals Company. Participated in the drafting of this section. Jiangxi Copper Company, Baiyin Nonferrous Metals Group Co., Ltd. The main drafters of this section. Liu Zhendong, Peng Jianjun, Miss Li, Yang Hongsheng, Wang Dongzhen, Sunguang Yan. This part of the standard replaces the previous editions are. --- GB 5120.4 ~ GB 5120.6-1985, GB/T 5120.4-1995; --- YS/T 521.4-2006. Methods for chemical analysis of blister copper Part 4. lead, bismuth, antimony contents - Flame Atomic Absorption Spectrometry

1 Scope

YS/T 521 This part specifies the blister copper lead, bismuth, antimony content determination. This section applies to crude copper lead, bismuth, antimony contents. Measurement range. mass fraction of lead from 0.05% to 0.60%; partial mass bismuth Number of 0.008% to 0.15%; mass fraction of 0.02% antimony and 0.60%.

2 Method summary

Sample with nitric acid dissolved in ammonia solution to ferric hydroxide and lanthanum hydroxide as carrier and enrichment of lead, bismuth, antimony, and separated from the copper. In rare Hydrochloric acid medium, with air - acetylene flame atomic absorption spectrometer, wavelength listed in Table 1 by measuring the absorbance of each element. Table 1 Absorbance element Element Pb Bi Sb Wavelength/nm 283.1 223.1 217.6

3 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. Nitrate 3.1 (ρ1.42g/mL). 3.2 hydrochloride (ρ1.19g/mL). 3.3 Ammonia (ρ0.90g/mL). 3.4 HCl (1 + 1). 3.5 hydrochloric acid (1 + 25). 3.6 hydrochloric acid (1 + 50). 3.7 Aqueous ammonia (40 + 1). 3.8 lanthanum nitrate solution. Weigh 5.87gLa2O3 in 250mL beaker, add 20mL of nitric acid (1 + 1) dissolved oxygen micro-boiling nitrogen purge Compound, removed, cooled to room temperature and transferred to 200mL volumetric flask, dilute with water to volume, and mix. 3.9 ferric nitrate solution. Weigh 73.40g of ferric nitrate [Fe (NO3) 3 · 9H2O] in 400mL beaker, dissolved in water, was added 10mL Nitric acid (3.1) and transferred to 1000mL volumetric flask, dilute with water to volume, and mix. 3.10 Lead standard solution. Weigh 0.2500g lead (mass fraction ≥99.99%) in 250mL beaker, add 50mL of nitric acid (1+ 1), covered with a watch glass and heated until complete dissolution, micro-boiling rid of nitrogen oxides, is removed, cooled to room temperature, washed with water and dish cup wall surface and transferred to 500mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 500μg lead. 3.11 Bismuth standard solution. Weigh 0.4000g of bismuth (mass fraction ≥99.99%) in 250mL beaker, add 50mL of nitric acid (1+ 1), covered with a watch glass and heated until complete dissolution, micro-boiling rid of nitrogen oxides, is removed, cooled to room temperature, with nitric acid (25 + 1) and washed with a watch glass Beibi, then nitric acid (1 + 25) moved into 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 400μg bismuth. 3.12 Antimony standard solution. Weigh 0.4788g reference trioxide in 250mL beaker, add 50mL of hydrochloric acid (3.2), cover the table Dish surface, low heat until completely dissolved, removed, cooled to room temperature, (3.6) and washed with a watch glass cup wall, and then hydrochloric acid (3.6) was transferred to pre-washed with hydrochloric acid Containing 200mL of hydrochloric acid (3.2) of 500mL volumetric flask, and dilute to volume, and mix. This solution 1mL containing 800μg antimony. ......

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