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YS/T 536.6-2009: Methods for chemical analysis of bismuth. Determination of lead content. Electrothermal atomic absorption spectrometric method
Status: Valid YS/T 536.6: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 536.6-2009 | English | 169 |
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Methods for chemical analysis of bismuth. Determination of lead content. Electrothermal atomic absorption spectrometric method
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YS/T 536.6-2009
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| YS/T 536.6-2006 | English | 279 |
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Methods for chemical analysis of bismuth. Determination of lead content - Electrothermal atomic absorption spectrometric method
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YS/T 536.6-2006
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Basic data | Standard ID | YS/T 536.6-2009 (YS/T536.6-2009) | | Description (Translated English) | Methods for chemical analysis of bismuth. Determination of lead 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Count Estimation | 6,697 | | Date of Issue | 2009-12-04 | | Date of Implementation | 2010-06-01 | | Older Standard (superseded by this standard) | YS/T 536.6-2006 | | Regulation (derived from) | MIIT [2009] No. 66 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the determination of the amount of lead in bismuth. This standard applies to the determination of the amount of lead in bismuth. Measuring range (mass fraction): 0. 0004% to 0. 015 % | YS/T 536.6-2009: Methods for chemical analysis of bismuth. Determination of lead content. Electrothermal atomic absorption spectrometric method
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Methods for chemical analysis of bismuth.Determination of lead content.Electrothermal atomic absorption spectrometric method
ICS 77.120.70
H13
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 536.6-2006
Methods for chemical analysis of bismuth
Determination of lead content of 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.
Part is divided into 6 sections.
The partial replacement of YS/T 536.6-2006 (formerly GB/T 8220.6-1998) "Methods for chemical analysis of bismuth electrothermal atomic absorption spectrometry
Determination of lead content. " Compared with YS/T 536.6-2006, this section has the following changes.
--- Complements the precision, quality assurance and control provisions;
--- Text format has been modified.
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 section from Guangzhou Nonferrous Metal Research Institute participated in the drafting.
The main drafters of this section. Yeshi Yuan, Cai.
This part certifier. Daifeng Ying, Lin Shan, Zhu Lijuan.
This part of the standard replaces the previous editions are.
--- YS/T 536.6-2006.
Methods for chemical analysis of bismuth
Determination of lead content of electrothermal atomic absorption spectrometry
1 Scope
This section provides the determination of bismuth in lead content.
This section applies to the determination of bismuth in lead content. Measurement range (mass fraction). 0.0004% to 0.015%.
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 283.3nm lead
Absorbance. When the amount of lead is less than 0.0050%, the use of matrix addition method drawing working curve, obtained in a sample of lead content.
3 Reagents
Preparation of the test solution and water are a water vessel used in the experiments after soaked in dilute nitric acid, washed with water level.
3.1 commercially available reagents
Nitric acid (ρ1.42g/mL), pure class distinctions.
3.2 solution
3.2.1 nitric acid (1 + 1).
3.2.2 nitric acid (1 + 3).
3.2.3 nitrate (98 + 2).
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), a low temperature heating dissolved completely, removed and cooled. Transferred to 100mL volumetric flask with 5mL nitric acid (3.2.1)
Rinse the beaker, into the flask, diluted with nitric acid (3.2.3) to the mark and mix.
3.3 standard solution
3.3.1 Lead standard stock solution. Weigh 1.0000g metallic lead (Pb mass fraction ≥99.99%) in 100mL beaker, add
20mL of nitric acid (3.2.2), cover sheet pan, over low heat to dissolve completely removed and cooled. The solution is transferred to 1000mL volumetric flask with water
Dilute to volume, and mix. 1mL solution containing 1mg lead.
3.3.2 Lead standard solution A. Pipette 2.00mL lead standard stock solution (3.3.1) in 200mL flask, with nitric acid (3.2.3) Dilute
Diluted to volume, and mix. This solution 1mL containing 10μg lead.
3.3.3 Lead standard solution B. Pipette 10.00mL lead standard solution A (3.3.2) in 100mL flask, diluted with nitric acid (3.2.3)
To the mark, and mix. This solution 1mL containing 1μg lead.
4 Instrument
Graphite furnace atomic absorption spectrometry (background buckle device) attached Lead 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 matrix solution consistent characteristic mass of lead should be less than 12pg.
--- 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
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