Determination of nitrate in water quality by ultraviolet spectrophotometry

Determination of nitrate in water quality by ultraviolet spectrophotometry, Total:21 items.

The international standard classification for "Determination of nitrate in water quality by ultraviolet spectrophotometry" includes: Water quality .

The Chinese standard classification for "Determination of nitrate in water quality by ultraviolet spectrophotometry" includes: Environmental Quality Standard for atmosphere, water and soil , Chemical reagent in general , Boiler and its auxiliary equipment , Analysis methods for toxic substances in water , Agriculture and forestry technology , Hydrogeological survey .

Professional Standard - Environmental Protection

HJ 756-2015 Water quality - Determination of butyl xanthate - UV spectrophotometric method
HJ/T 342-2007 Water quality-Determination of sulfate-barium chromate spectrophotometry
HJ/T 346-2007 Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry

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 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid
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/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 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
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

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
DZ/T 0064.59-1993 Groundwater quality test methods - the determination of nitrate radical with ultraviolet spectrophotometric method

Group Standards of the People's Republic of China

T/QAS 035-2021 Determination of nitrate in brine by ultraviolet spectrophotometry
T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry

Ministry of Ecology and Environment of the People's Replublic of China

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

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

Netherlands Institute for Standardization

NEN 6581-1985 Rain water - UV-photometric determination of nitrate content

GCC Standardization Organization

GSO ISO 7890-3:2013 Water quality - Determination of nitrate - Part 3: Spectrometric method using sulfosalicylic acid