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YS/T 536.4-2009: Methods for chemical analysis of bismuth. Determination of silver content. Flame atomic absorption spectorphotometric method and electrothermal atomic absorption spectromeric method YS/T 536.4: Evolution and historical versions
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| YS/T 536.4-2009 | English | 279 |
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Methods for chemical analysis of bismuth. Determination of silver content. Flame atomic absorption spectorphotometric method and electrothermal atomic absorption spectromeric method
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YS/T 536.4-2009
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| YS/T 536.4-2006 | English | 279 |
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Methods for chemical analysis of bismuth -- Determination of silver content -- Flame atomic absorption spectrophotometric method
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YS/T 536.4-2006
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PDF similar to YS/T 536.4-2009
Basic data | Standard ID | YS/T 536.4-2009 (YS/T536.4-2009) | | Description (Translated English) | Methods for chemical analysis of bismuth. Determination of silver content. Flame atomic absorption spectorphotometric method and electrothermal atomic absorption spectromeric method | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.70 | | Word Count Estimation | 8,899 | | Date of Issue | 2009-12-04 | | Date of Implementation | 2010-06-01 | | Older Standard (superseded by this standard) | YS/T 536.4-2006 | | Regulation (derived from) | MIIT [2009] No. 66 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the bismuth silver content. This standard applies to the determination of bismuth in silver. Measuring range (mass fraction): > 0. 002% to 0. 030 % | YS/T 536.4-2009: Methods for chemical analysis of bismuth. Determination of silver content. Flame atomic absorption spectorphotometric method and electrothermal atomic absorption spectromeric method
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Methods for chemical analysis of bismuth.Determination of silver content.Flame atomic absorption spectorphotometric method and electrothermal atomic absorption spectromeric method
ICS 77.120.70
H13
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 536.4-2006
Methods for chemical analysis of bismuth Determination of silver content
Flame Atomic Absorption Spectrometry
And 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 4.
The partial replacement of YS/T 536.4-2006 (formerly GB/T 8220.4-1998) "Methods for chemical analysis of bismuth by flame atomic absorption spectroscopy
Determination of the amount of silver "and YS/T 536.13-2006 (formerly GB/T 8220.13-1998)" Methods for chemical analysis of bismuth electrothermal atomic absorption spectrometry
Determination of silver and cadmium content "(measuring portion silver content). Compared with YS/T 536.4-2006 and YS/T 536.13-2006, this part
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 was drafted by the Guangzhou Research Institute of Nonferrous Metals.
Method 1 of this section by the Baiyin Nonferrous Group Northwest lead and zinc smelter, Shuikoushan Nonferrous Metals Group Co., Ltd. participated in the drafting.
Method 2 of this section by the Zhuzhou Smelter Group Co., Ltd., Hunan Institute participated in the drafting of mineral testing use.
The main drafters of this Part 1. Dai Fengying, Liutian Ping, Lin Shan.
The main part of the method validation person. red cow, Daijun, Lu Chunyan.
The main drafters of this section Method 2. Lin Shan, Daifeng Ying, Liu Tianping.
The main part of the method validation by. Yeshi Yuan, Chen Feng, Zhu Lijuan, Yi Xiaoming.
This part of the standard replaces the previous editions are.
--- YS/T 536.4-2006, YS/T 536.13-2006.
Methods for chemical analysis of bismuth Determination of silver content
Flame Atomic Absorption Spectrometry
And electrothermal atomic absorption spectrometry
Method 1 flame atomic absorption spectrometry
1 Scope
This section provides Determination of silver content of bismuth.
This section applies to the determination of bismuth silver content. Measurement range (mass fraction). > 0.002% to 0.030%.
2 Method summary
Sample with nitric acid dissolved in hydrochloric acid medium, air - acetylene flame atomic absorption spectrometer at a wavelength of 328.1nm measured silver
Absorbance. The standard curve method to calculate the content of silver.
3 Reagents
3.1 commercially available reagents
3.1.1 hydrochloric acid (ρ1.19g/mL).
3.1.2 nitrate (ρ1.42g/mL).
3.2 solution
3.2.1 nitric acid (1 + 1).
3.2.2 hydrochloric acid (1 + 1).
3.2.3 hydrochloric acid (5 + 95).
3.2.4 hydrochloric acid (1 + 99).
3.2.5 bismuth solution. Weigh 10.00g bismuth (Bi mass fraction ≥99.999%), placed in 250mL beaker was added in 40mL Glass
Acid (3.2.1), to be violent reaction was heated until completely dissolved, low temperature evaporation to near dryness, remove, coolish. Added 20mL hydrochloric acid (3.1.1),
Low temperature evaporation to near dryness, remove, coolish. Hydrochloric acid was added 40mL (3.2.2), heated to dissolve the salt, boiling, removed and cooled. With hydrochloric acid
(3.2.3) was transferred to 100mL volumetric flask and dilute to volume, and mix. 1mL solution containing 0.1g bismuth.
3.3 standard solution
3.3.1 Silver standard stock solution. Weigh 0.1000g metallic silver (mass fraction of silver ≥99.99%), placed in 250mL beaker, add
20mL of nitric acid (3.2.1), the cover sheet pan, on low heat until completely dissolved, oxides of nitrogen purge boiling, removed and cooled. Moved
1000mL brown volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 0.1mg silver.
3.3.2 Silver standard solution. Pipette 10.00mL standard silver stock solution (3.3.1) in 100mL brown volumetric flask, nitric acid is added 4mL
(3.2.1), dilute with water to volume, and mix. This solution 1mL containing 10μg silver.
4 Instrument
Atomic absorption spectrometer, with a silver hollow-cathode lamp.
Under optimum working conditions for those who can meet the following indicators can be used.
--- Characteristic concentration. In line with the measurement of a sample solution matrix solution, features silver concentration should be less than 0.027μg/mL.
--- Precision. standard solution measured absorbance of the highest concentration of 10 times, the standard deviation should not exceed the average absorbance of 1.0%;
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