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HJ 490-2009 Active
HJ 490-2009 Water quality determination of silver by cadmium reagent 2B spectrophotometry
Abstract
Replace GB11908-1989
General Product Information
| Document Type | Industry standards-Environmental protection |
|---|---|
| Standard Status | Active |
| Standard Code | HJ 490-2009 |
| CCS | Environmental protection |
| ICS | Environmental protection, health, and safety (vocabulary) |
| Implement Date | 2009-11-01 |
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