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| Position: Chinese Standard in English/GB 7481-1987 |
| GB 7481-1987 Water quality; Determination of ammonium; Spectrophotometric method with salicylic acid (English Version) | |||
| Standard No.: | GB 7481-1987 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 2500 words | Price(USD): | 75.00 remind me the price change |
| Implemented on: | 1987-8-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 7481-1987 |
| English Name: | Water quality; Determination of ammonium; Spectrophotometric method with salicylic acid |
| Chinese Name: | 水质 铵的测定 水杨酸分光光度法 |
| Chinese Classification: | Z16 Analysis methods for toxic substances in water |
| Professional Classification: | GB National Standard |
| Issued by: | NEPA |
| Issued on: | 1987-03-14 |
| Implemented on: | 1987-8-1 |
| Status: | superseded |
| Superseded by: | HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry |
| Superseded on: | 2010-4-1 |
| Language: | English |
| File Format: | |
| Word Count: | 2500 words |
| Price(USD): | 75.00 |
| Delivery: | via email in 1~3 business day |