GB/T 6730.72-2016 Translated English of Chinese Standard (GB/T 6730.72-2016, GBT6730.72-2016): Iron ores -- Determination of arsenic, chromium, cadmium, lead and mercury content -- Inductively coupled plasma-mass spectrometry method (ICP-MS) [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]

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This Part of GB/T 6730 specifies the method for the determination of arsenic, chromium, cadmium, lead, mercury in iron ore, by inductively coupled plasma mass spectrometry (ICP-MS). This Part applies to natural iron ore, iron concentrate, sinter and pellets. The measurement range is as shown in Table 1. Table 1 -- Scope of application of this method Elements to be measured Content range/(¦Ìg/g) Chromium 1.8 ~ 244 Arsenic 2.4 ~ 570 Cadmium 0.05 ~ 10 Mercury 1.9 ~ 10 Lead 0.3 ~ 3170
 

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目次

Foreword
3
Scope
4
Principles
5
Sampling and specimen preparation
6
Result calculation
8
Test report
10
Appendix A Informative Instrument working conditions and test samples
11
Appendix B Informative Flow chart for acceptance of specimen analysis value
12

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