1 Scope
This national standard specifies requirements, monitor and analytical procedures for irrigation water quality.
This standard is applicable to surface water, groundwater, treated aquaculture waste water, industrial wastewater from the industry with agricultural commodities as raw material.
2 Normative references
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Technical Specification are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 5750-1985 Standard examination methods for drinking water
GB/T 6920 Water quality; Determination of pH value; Glass electrode method
GB 7467 "Water Quality; Determination of Chromium (6); 1.5 Diphenylcarbahydrazide Spectrophotometric Method"
GB 7468 Water quality; Determination of total mercury; Cold atomic absorption spectrophotometry
GB 7475 Water quality; Determination of copper, zinc, lead and cadmium; Atomic absorption spectrometry
GB 7484 Water quality; Determination of fluoride; Ion selective electrode method
GB 7485-85 "Water Quality; Determination of Total Arsenic; Silver Diethyldithiocarbamate Spectrophotometric Method"
GB 7486 Water quality; Determination of cyanide; Part 1: Determination of total cyanide
GB 7488 Water quality; Determination of biochemical oxygen demand after 5 days (BOD5); Dilution and seeding method
GB 7490 Water quality; Determination of volatile phenolic compounds; After distillation by means of 4-AAP spectrophotometric method
GB/T 7494 Water quality; Determination of anionic surfactants; Methylene blue spectrophotometric method
GB/T 11896 Water quality-Determination of chloride-Silver nitrate titration method
GB 11901 Water quality-Determination of suspended substance-Gravimetric method
GB/T 11902 Water quality-Determination of selenium-Diaminonaphthalene fluorometric method
GB/T 11914 Water quality-Determination of the chemical oxygen demand-Dichromate method
GB/T 11934 Standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources-Gas chromatograph
GB/T 11937 Standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources-Gas chromatograph
GB/T 13195 Water quality-Determination of water temperature-Thermometer or reversing thermometer method
GB/T 16488 Water quality-Determination of petroleum oil, animal and vegetable oils-Infrared photometric method
GB/T 16489 Water quality-Determination of sulfide-Methylene blue spectrophotometric method
HJ/T 49 Water quality -- Determination of boron curcumin -- Spectrophotometric method
HJ/T 50 Water quality -- Determination of trichloro-aldehyde -- 3-methyl-1-phenyl-5-pyrazolone spectrophotometric method
HJ/T 51 Water quality -- Determination of total salt -- Gravimetric method
NY/T 396 Procedural regulations regarding the environment quality monitoring of water for agricultural use
