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GB/T 23950-2009
GB/T 23950-2009 Inorganic chemicals for industrial use—General method for determination of heavy metals
Abstract
This standard specifies the safety tips, general provisions, methodological principles, reagents, instruments, and analytical procedures for the visual colorimetric method used to determine heavy metals in inorganic chemical products.
This standard is applicable to the limit determination of heavy metals (calculated as Pb) in inorganic chemical products. The detection range is: 0.2 μg/mL~2 μg/mL.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 23950-2009 |
| CCS | Inorganic chemical raw materials |
| ICS | Comprehensive Inorganic Chemistry |
| Implement Date | 2010-02-01 |
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