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HJ 479-2009 Active
HJ 479-2009 Environmental air: Determination of nitrogen oxides (nitric oxide and nitrogen dioxide) using naphthalene-2,3-disulfonic acid-ethylenediamine method
Abstract
Replace GB8969-1988 with GB/T15436-1995
General Product Information
| Document Type | Industry standards-Environmental protection |
|---|---|
| Standard Status | Active |
| Standard Code | HJ 479-2009 |
| CCS | Environmental protection |
| ICS | Environmental protection, health, and safety (vocabulary) |
| Implement Date | 2009-11-01 |
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