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GB/T 14506.23-2010 Active
GB/T 14506.23-2010 Methods for chemical analysis of silicate rocks—Part 23:Determination of chromium content
Abstract
This part of GB/T 14506 specifies the determination method for chromium content in silicate rocks.
This part is applicable to the determination of chromium content in silicate rocks, and also to the determination of chromium content in soil and aquatic sediments.
Determination range: Diphenylcarbodiimide photometry, chromium content of 10 μg/g to 2 000 μg/g. Ammonia-ammonium chloride-α,α-bipyridine-sodium nitrite-sodium sulfite buffer solution polarography, chromium content of 10 μg/g to 150 μg/g.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 14506.23-2010 |
| CCS | Building materials raw material mines |
| ICS | Non-metallic minerals |
| Implement Date | 2011-02-01 |
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