nitrate nitrogen UV
nitrate nitrogen UV, Total:2 items.
The international standard classification for "nitrate nitrogen UV" includes: .
The Chinese standard classification for "nitrate nitrogen UV" includes: Environmental Quality Standard for atmosphere, water and soil .
Professional Standard - Environmental Protection
- 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)
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