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YS/T 742-2010: Methods for chemical analysis of gallium oxide. Determination of impurities. Inductively coupled plasma mass spectrometer method
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YS/T 742-2010: Methods for chemical analysis of gallium oxide. Determination of impurities. Inductively coupled plasma mass spectrometer method

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Methods for chemical analysis of gallium oxide.Determination of impurities.Inductively coupled plasma mass spectrometer method ICS 77.120.99 H12 People's Republic of China Nonferrous Metals Industry Standard Chemical analysis of gallium oxide Determination of impurity elements Inductively Coupled Plasma Mass Spectrometry Issued on. 2010-11-22 2011-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard by the China Nonferrous Metals Standardization Technical Committee (SAC/TC243). This standard was drafted. Aluminum Corporation of China Henan Branch, China Chalco Shandong branch, Henan has Ferrous metals Geological Survey General Hospital. The main drafters of this standard. Liang Qian, ORTHOPAEDICS, Cheng Liyan, romero, Wang Xiaowen Tibetan Text Chen Jianli. Chemical analysis of gallium oxide Determination of impurity elements Inductively Coupled Plasma Mass Spectrometry

1 Scope

This standard specifies the gallium oxide of copper, lead, zinc, indium, iron, tin, nickel, magnesium, cobalt, chromium, manganese, titanium, molybdenum, bismuth content determination. This standard applies to gallium oxide (99.9% ≤w≤99.999%) of copper, lead, zinc, indium, iron, tin, nickel, magnesium, cobalt, chromium, manganese, titanium, molybdenum, bismuth Determination of. Determination of the range in Table 1. Table 1 Element measurement range/measuring range of elements% /% Cu 2 × 10-5 ~ 2 × 10-3 Mg 5 × 10-5 ~ 1 × 10-3 Pb 2 × 10-5 ~ 2 × 10-3 Co 3 × 10-5 ~ 1 × 10-3 Zn 5 × 10-5 ~ 1 × 10-3 Cr 5 × 10-5 ~ 1 × 10-3 In 3 × 10-5 ~ 1 × 10-3 Mn 3 × 10-5 ~ 1 × 10-3 Fe * 1 × 10-4 ~ 1 × 10-3 Ti 5 × 10-5 ~ 1 × 10-3 Sn 5 × 10-5 ~ 1 × 10-3 Mo 3 × 10-5 ~ 1 × 10-3 Ni 5 × 10-5 ~ 1 × 10-3 Bi 3 × 10-5 ~ 1 × 10-3 * Fe element was measured using a collision chamber or dynamic reaction cell conditions.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents

3 Method summary

The sample with hydrochloric acid, nitric acid dissolved in microwave digestion system role, the sample solution is prepared by adding the selected internal standard element, copper, lead, Zinc, indium, iron, tin, nickel, magnesium, cobalt, chromium, manganese, titanium, molybdenum, bismuth inductively coupled plasma mass spectrometry (ICP-MS) was measured.

4 Reagents and materials

4.1 standard water are deionized water (resistivity greater than 18MΩ · cm). 4.2 HCl. BV-Ⅲ level or sub-boiling distillation purification. 4.3 Nitrate. BV-Ⅲ level or sub-boiling distillation purification. Standard stock solution of rhodium 4.4. 1.0mg/mL. ...