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| Position: Chinese Standard in English/HJ 479-2009 |
| HJ 479-2009 Ambient air - Determination of nitrogen oxides - N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method (English Version) | |||
| Standard No.: | HJ 479-2009 | Status: | superseded remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 7500 words | Price(USD): | 324.0 remind me the price change |
| Implemented on: | 2009-11-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | HJ 479-2009 |
| English Name: | Ambient air - Determination of nitrogen oxides - N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method |
| Chinese Name: | 环境空气 氮氧化物（一氧化氮和二氧化氮）的测定 盐酸萘乙二胺分光光度法 |
| Professional Classification: | HJ Professional Standard - Environment |
| Issued by: | Ministry of Environmental Protection |
| Issued on: | 2009-09-27 |
| Implemented on: | 2009-11-1 |
| Status: | superseded |
| Superseded by: | HJ 479-2009/XG1-2018 Ambient air-determination of nitrogen oxides-N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometric method |
| Superseded on: | 2018-9-1 |
| Superseding: | GB 8969-1988 Air quality; Determination of nitrogen oxides in ambient air; Griess-saltzman method GB/T 15436-1995 Ambient air－Determination of nitrogen oxides－Saltzman method |
| Language: | English |
| File Format: | |
| Word Count: | 7500 words |
| Price(USD): | 324.0 |
| Delivery: | via email in 1~3 business day |