Determination of Nitrate Nitrogen by Ultraviolet Photometry
Determination of Nitrate Nitrogen by Ultraviolet Photometry, Total:13 items.
The international standard classification for "Determination of Nitrate Nitrogen by Ultraviolet Photometry" includes: .
The Chinese standard classification for "Determination of Nitrate Nitrogen by Ultraviolet Photometry" includes: Chemical reagent in general , Boiler and its auxiliary equipment , Environmental Quality Standard for atmosphere, water and soil , Agriculture and forestry technology .
Professional Standard - Water Conservancy
- SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Ultraviolet spectrophotometry for nitrates
- GB/T 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
- GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
- GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates
- GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
- GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
Professional Standard - Environmental Protection
- HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry
- HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
Professional Standard - Agriculture
- NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
中华人民共和国环境保护部
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
NL-NEN
- NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
YU-JUS
- JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
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