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YS/T 536.11-2009: Methods for chemical analysis of bismuth. Determination of mercury content. Atomic fluorescence spectrometric method
Status: Valid YS/T 536.11: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 536.11-2009 | English | 169 |
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Methods for chemical analysis of bismuth. Determination of mercury content. Atomic fluorescence spectrometric method
| Valid |
YS/T 536.11-2009
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| YS/T 536.11-2006 | English | 199 |
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Methods for chemical analysis of bismuth -- Determination of mercury content -- Cold vapour atomic absorption spectrometric method
| Obsolete |
YS/T 536.11-2006
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PDF similar to YS/T 536.11-2009
Basic data | Standard ID | YS/T 536.11-2009 (YS/T536.11-2009) | | Description (Translated English) | Methods for chemical analysis of bismuth. Determination of mercury content. Atomic fluorescence spectrometric method | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.70 | | Word Count Estimation | 6,618 | | Date of Issue | 2009-12-04 | | Date of Implementation | 2010-06-01 | | Older Standard (superseded by this standard) | YS/T 536.11-2006 | | Regulation (derived from) | MIIT [2009] No. 66 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the amount of mercury in the determination of bismuth. This standard applies to the determination of the amount of mercury in bismuth. Measuring range (mass fraction): 0. 00003% 0. 00006%. | YS/T 536.11-2009: Methods for chemical analysis of bismuth. Determination of mercury content. Atomic fluorescence spectrometric method
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Methods for chemical analysis of bismuth.Determination of mercury content.Atomic fluorescence spectrometric method
ICS 77.120.70
H13
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 536.11-2006
Methods for chemical analysis of bismuth
Mercury content - Atomic Fluorescence 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 11.
The partial replacement of YS/T 536.11-2006 (formerly GB/T 8220.11-1998) "Methods for chemical analysis of bismuth cold vapor atomic absorption
Determination of mercury content "Spectrometry. Compared with YS/T 536.11-2006, this section has the following changes.
--- Alternative cold vapor atomic absorption spectrometry atomic fluorescence spectrometry;
--- 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 Zhuzhou Smelter Group Co., Ltd. is responsible for drafting.
This section was drafted by Shaanxi Dongling Smelting limited liability company.
This section from Guangzhou Nonferrous Metal Research Institute, Zhuzhou Smelter Group Co., Ltd. participated in the drafting.
The main drafters of this section. Zhou Wei, Li Xue, King navy.
This part certifier. Liutian Ping, Dai Fengying, Zhou Zhiping, Zhang Dongguang.
This part of the standard replaces the previous editions are.
--- YS/T 536.11-2006.
Methods for chemical analysis of bismuth
Mercury content - Atomic Fluorescence Spectrometry
1 Scope
This section provides the determination of bismuth in the amount of mercury.
This section applies to the determination of bismuth in the amount of mercury. Measurement range (mass fraction). 0.00003% - 0.00006%.
2 Method summary
The sample is dissolved in nitric acid in a nitric acid solution, stannous chloride as a reducing agent, with argon as the carrier gas, and the resulting mercury vapor atomic import raw
Sub fluorescence spectrometer measured.
3 Reagents
3.1 commercially available reagents
Nitric acid (ρ1.42g/mL), pure class distinctions.
3.2 solution
3.2.1 nitric acid (7 + 93)
3.2.2 stannous chloride solution (15g/L). Weigh 1.5g stannous chloride (SnCl2 · 2H2O) was dissolved in 100mL of hydrochloric acid (5 + 95) with a time of
Now equipped.
3.2.3 potassium dichromate solution (50g/L).
3.3 standard solution
3.3.1 Storage mercury standard solution. Weigh 0.1354g advance with sulfuric drier 24h mercuric chloride (mass fraction ≥99.9%) solution
Small amount of water, 50mL of nitric acid was added (3.1), 10mL potassium dichromate solution (3.2.3), transferred to 1000mL volumetric flask, diluted with water
To the mark, and mix the solution 1mL containing 0.1mg of mercury.
3.3.2 Mercury standard solution A. Pipette 10mL mercury standard stock solution (3.3.1) in 100mL flask, add 5mL nitric acid (3.1),
1mL potassium dichromate solution (3.2.3) diluted with water to volume, and mix this solution 1mL containing 10μg mercury.
3.3.3 Mercury standard solution B. Pipette 1.00mL mercury standard solution A (3.3.2) in 100mL flask, add 5mL nitric acid (3.1),
1mL potassium dichromate solution (3.2.3) diluted with water to volume, and mix this solution 1mL containing 0.1μg of mercury.
4 instruments and devices
Atomic fluorescence spectrometer, with a high-intensity mercury hollow cathode lamp.
Under optimum working conditions for those who can reach the following indicators can be used;
Detection limit. not more than 1ng/mL.
Precision. Measuring 0.1μg/mL standard solution of mercury in fluorescent intensity 10 times the standard deviation should not exceed the average fluorescence intensity of 5.0%.
Linear curve. The curve is divided into five sections according to concentration, than the difference between the absorbance of the absorbance difference between the highest and the lowest segment segment,
It should not be less than 0.9.
Readings; 700mL/min. atomic fluorescence spectrometer with reference to the working conditions. Lamp current. 35mA;.; carrier gas flow negative high voltage 275V
Room. 18s; Delay Time. 6s.
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