YS/T 536.2-2009 English PDF

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YS/T 536.2-2009: Methods for chemical analysis of bismuth. Determination of iron content. Electrothermal atomic absorption spectrometric method
Status: Valid

YS/T 536.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 536.2-2009	169	Add to Cart	3 days	Methods for chemical analysis of bismuth. Determination of iron content. Electrothermal atomic absorption spectrometric method	Valid
YS/T 536.2-2006	239	Add to Cart	2 days	Methods for chemical analysis of bismuth -- Determination of iron content -- 1, 10-phenanthroline photometric method	Obsolete

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GB/T 3884.2   GB/T 3884.1   YS/T 521.2   YS/T 536.14   YS/T 536.11   YS/T 536.10   

Basic data

Standard ID: YS/T 536.2-2009 (YS/T536.2-2009)
Description (Translated English): Methods for chemical analysis of bismuth. Determination of iron content. Electrothermal atomic absorption spectrometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.70
Word Count Estimation: 6,635
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 536.2-2006
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the bismuth iron content. This standard applies to the determination of the amount of iron in bismuth. Measuring range (mass fraction): 0. 0003% to 0. 0015 %

YS/T 536.2-2009: Methods for chemical analysis of bismuth. Determination of iron content. Electrothermal atomic absorption 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 bismuth.Determination of iron content.Electrothermal atomic absorption spectrometric method ICS 77.120.70 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 536.2-2006 Methods for chemical analysis of bismuth Determination of iron content Electrothermal 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 536-2009 "Method for chemical analysis of bismuth" is divided into 13 parts. --- YS /536.1 Methods for chemical analysis of bismuth - Determination of copper content - Bis - acetaldehyde T oxalyl Spectrophotometric Method; --- YS/T 536.2 Methods for chemical analysis of bismuth - Determination of iron content by electrothermal atomic absorption spectrometry; --- YS/T 536.3 Methods for chemical analysis of bismuth - Determination of antimony content - Malachite green spectrophotometry; --- YS/T 536.4 Methods for chemical analysis of bismuth - Determination of silver content - Flame atomic absorption spectrometry and electrothermal atomic absorption spectrometry; --- YS/T 536.5 Methods for chemical analysis of bismuth - Determination of solid-liquid extraction of zinc content - Flame atomic absorption spectrometry; --- YS/T 536.6 Methods for chemical analysis of bismuth - Determination of lead content by electrothermal atomic absorption spectrometry; --- YS/T 536.7 Methods for chemical analysis of bismuth arsenic content - Atomic fluorescence spectrometry; --- YS/T 536.8 Methods for chemical analysis of bismuth chlorine measured amount of mercury thiocyanate spectrophotometry; --- YS/T 536.9 Methods for chemical analysis of bismuth - Determination of tellurium content of arsenic co-precipitation - oscillopolarographic method; --- YS/T 536.10 Methods for chemical analysis of bismuth - Determination of tin content of beryllium coprecipitation - spectrophotometry; --- YS/T 536.11 Methods for chemical analysis of bismuth mercury content - Atomic fluorescence spectrometry; --- Determination of YS/T 536.12 Methods for chemical analysis of nickel content of bismuth electrothermal atomic absorption spectrometry; --- YS/T 536.13 Methods for chemical analysis of bismuth - Determination of cadmium content by electrothermal atomic absorption spectrometry. This is Part 2. The partial replacement of YS/T 536.2-2006 (formerly GB/T 8220.2-1998) "Methods for chemical analysis of bismuth 1,10 phenanthroline Determination of the amount of iron "method. Compared with YS/T 536.2-2006, this section has the following changes. --- Change measurement method using electrothermal atomic absorption spectrometry; --- Complements the precision, quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is Zhuzhou Smelter Group Co., Ltd. is responsible for drafting. This section drafted by the Zhuzhou Smelter Group Co., Ltd. This part of Liaoning Entry-Guangzhou Nonferrous Metal Research Institute participated in the drafting. The main drafters of this section. Yeshi Yuan to Delei. This part certifier. Li Yan, Dong Xiuwen, Lin Shan, Lei Su letter. This part of the standard replaces the previous editions are. --- YS/T 536.2-2006. Methods for chemical analysis of bismuth Determination of iron content Electrothermal atomic absorption spectrometry

1 Scope

This section provides the determination of bismuth iron content. This section applies to the determination of bismuth iron content. Measurement range (mass fraction). 0.0003% to 0.0015%.

2 Method summary

The sample is dissolved in nitric acid, the amount of solution into electrothermal atomizer, atomic absorption spectrometer measured at a wavelength of 248.3nm iron Absorbance method using the matrix by adding drawing working curve, determined the content of iron in a sample.

3 Reagents

Preparation of the test solution and water are a water, containers used in the experiment were soaked in dilute nitric acid, with a water thoroughly washed. 3.1 commercially available reagents Nitric acid (ρ1.42g/mL), of high purity. 3.2 solution 3.2.1 nitric acid (1 + 1). 3.2.2 nitrate (98 + 2). 3.2.3 nitrate (500 + 3). 3.2.4 bismuth solution (100mg/mL). Weigh 10.00g bismuth (Bi mass fraction ≥99.999%), in the 250mL beaker high type, add 40mL of nitric acid (3.2.1) and heated to dissolve completely, remove the cooling. Transferred to 100mL volumetric flask with 5mL nitric acid (3.2.1) Rinse Beaker, into the flask, diluted with nitric acid (3.2.2) to the mark and mix. 3.3 standard solution 3.3.1 Iron standard stock solution. Weigh 0.1000g metallic iron (iron mass fraction ≥99.99%) in 200mL beaker, add 20mL Nitrate (3.2.1), heated to dissolve, to remove nitrogen oxides, removed, cooled and transferred to 1000mL volumetric flask, with nitric acid (3.2.3) diluted Diluted to volume, and mix. This solution 1mL containing 0.1mg iron. 3.3.2 Iron standard solution. Pipette 5.00mL iron standard stock solution (3.3.1) in 1000mL volumetric flask, with nitric acid (3.2.3) Dilute Diluted to volume, and mix. This solution 1mL containing 0.5μg iron.

4 Instrument

Graphite furnace atomic absorption spectrometry (background buckle device) attached iron hollow cathode lamp. Under optimum working conditions for those who can reach the following indicators can be used. --- Quality features. the measurement of the sample solution in the matrix phase consistent solution features quality iron should not exceed 5pg. --- Precision. absorbance measured 10 times the highest concentration of the standard solution, the standard deviation should not exceed 2.0% of the mean absorbance; With the lowest concentration of standard solution (not "zero" concentration of the standard) measuring the absorbance of 10 times, the standard deviation should not exceed the maximum 1.5% concentration of the standard average absorbance. --- Linear curve. The curve is divided into five sections according to concentration, absorbance difference between the absorbance difference between the highest and the lowest segment of the segment Ratio of not less than 0.8. ......

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