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Chemical analysis methods of high purity aluminum. Part 9: Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry
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YS/T 244.9-2008
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Basic data | Standard ID | YS/T 244.9-2008 (YS/T244.9-2008) | | Description (Translated English) | Chemical analysis methods of high purity aluminum. Part 9: Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H12 | | Classification of International Standard | 77.040.01 | | Word Count Estimation | 6,631 | | Date of Issue | 2008-03-12 | | Date of Implementation | 2008-09-01 | | Regulation (derived from) | NDRC Notice No. 25 of 2008 | | Issuing agency(ies) | National Development and Reform Commission | | Summary | This standard provides high purity iron, titanium, gallium, copper, zinc, lead, indium, cadmium, silver, cobalt, molybdenum, antimony, bismuth, etc. Methods for determination of trace elements. This standard applies to high purity (99. 999% �� �� (A1) �� 99. 9995%) of iron, titanium, gallium, copper, zinc, lead, indium, cadmium, silver, cobalt, molybdenum, antimony, bismuth and other trace element content Simultaneous determination. Measuring range in Table 1. | YS/T 244.9-2008: Chemical analysis methods of high purity aluminum. Part 9: Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry
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Chemical analysis methods of high purity aluminum.Part 9. Determination of trace impurities in high purity aluminumby inductively coupled mass spectrometry
ICS 77.040.01
H12
People's Republic of China Nonferrous Metals Industry Standard
Chemical analysis methods of high purity aluminum
Part 9. Inductively Coupled Plasma Mass Spectrometry
Determination of impurity content
Posted 2008-03-12
2008-09-01 implementation
National Development and Reform Commission issued
Foreword
YS/T 244 "Chemical analysis methods of high purity aluminum" is divided into nine sections.
--- Part 1. phenanthroline - thiocyanate spectrophotometric determination of iron content;
--- Part 2. molybdenum blue extraction and spectrophotometric determination of silicon content;
--- Part 3. Two-antipyrine DAM - spectrophotometric determination of titanium content thiocyanate;
--- Part 4. Butyl Rhodamine B spectrophotometric determination of gallium content;
--- Part 5. Determination of copper, zinc and lead content anodic stripping voltammetry;
--- Part 6. Catalytic manganese - sulfuric acid system through the determination of silver content;
--- Part 7. dithizone extraction and spectrophotometric determination of cadmium content;
--- Part 8. crystal violet extraction and spectrophotometric determination of indium content;
--- Part 9. Determination of impurities by inductively coupled plasma mass spectrometry.
Part is divided into 9 parts.
The non-ferrous metal part by the National Standardization Technical Committee and centralized.
This in part by China Aluminum Co., Guizhou Branch, China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting.
This in part by China Aluminum Co., Henan Branch, Beijing Nonferrous Metal Research Institute General Hospital participated in the drafting.
The main drafters of this section. Rowe, Yuan Yi, Cao Xiaolin, Zhouman Ping, Wang Xiaowen, Bai Pengcheng, Liu Hong, Liu Ying, ORTHOPAEDICS, Zhang to autumn.
Chemical analysis methods of high purity aluminum
Part 9. Inductively Coupled Plasma Mass Spectrometry
Determination of impurity content
1 Scope
This section provides high purity determination of iron, titanium, gallium, copper, zinc, lead, indium, cadmium, silver, cobalt, molybdenum, antimony, bismuth and other trace element content.
This section applies to high purity (99.999% ≤ω (Al) ≤99.9995%) of iron, titanium, gallium, copper, zinc, lead, indium, cadmium, silver, cobalt, molybdenum,
Meanwhile antimony, bismuth and other trace element content determination. Determination of the range in Table 1.
Table 1
Element measurement range /%
Iron 1 × 10-5 ~ 5 × 10-4
Copper 1 × 10-5 ~ 5 × 10-4
Ga 1 × 10-5 ~ 2 × 10-4
Ti 1 × 10-5 ~ 2 × 10-4
Zinc 1 × 10-5 ~ 2 × 10-4
Lead 1 × 10-6 ~ 2 × 10-4
Cadmium 1 × 10-6 ~ 5 × 10-5
Element measurement range /%
Indium 1 × 10-6 ~ 5 × 10-5
Silver 1 × 10-6 ~ 5 × 10-5
Cobalt 1 × 10-6 ~ 5 × 10-5
Mo 1 × 10-6 ~ 5 × 10-5
Antimony 1 × 10-6 ~ 5 × 10-5
Bismuth 1 × 10-6 ~ 5 × 10-5
NOTE. iron measured in the collision cell conditions.
2 Method summary
Sample was dissolved in hydrochloric acid, in acid medium, using ICP-MS mass direct determination; all standard method to correct measured.
3 Reagents
3.1 pure water (resistance > 18MΩ · cm).
3.2 Analytical grade absolute ethanol.
Hydrochloride 3.3 (1 + 3), ultrapure.
3.4 hydrochloric acid (1 + 1), BV-Ⅲ.
3.5 Standard solution. iron, titanium, gallium, copper, zinc, lead, indium, cadmium, silver, cobalt, molybdenum, antimony, bismuth standard stock solution (concentration of 1000μg/mL), so
When used by the standard storage solution was gradually diluted to the desired concentration, using 2% HCl or HNO3 medium.
3.6 Mixed solution of internal standard. cesium, germanium standard solution (at a concentration of 1000μg/mL), diluted before use, diluted solution containing 1mL 4ng
Cesium, 2ng germanium, using 2% HCl medium.
4 instruments and equipment
4.1 microwave digestion.
4.2 inductively coupled plasma mass spectrometer.
5 Sample
Sample 5.1 with hydrochloric acid (3.3) soaked for more than 3h, washed with deionized water, and dried over anhydrous ethanol (3.2) dip twice.
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