Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry

Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry, Total:13 items.

The international standard classification for "Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry" includes: Water quality .

The Chinese standard classification for "Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry" includes: Environmental Quality Standard for atmosphere, water and soil , Analysis methods for toxic substances in water , Agriculture and forestry technology .

Professional Standard - Environmental Protection

HJ/T 343-2007 Water quality-Determination of chloride-mercury nitrate titration
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
HJ/T 342-2007 Water quality-Determination of sulfate-barium chromate spectrophotometry

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

Fujian Provincial Standard of the People's Republic of China

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water

中华人民共和国环境保护部

GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid

Professional Standard - Agriculture

NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer

Professional Standard - Geology

DZ/T 0064.59-2021 Methods for analysis of groundwater quality- Part 59: Determination of nitrate- Ultraviolet spectrophotometry