/ phosphorus total nitrogen
/ phosphorus total nitrogen, Total:5 items.
The international standard classification for "/ phosphorus total nitrogen" includes: Fertilizers .
The Chinese standard classification for "/ phosphorus total nitrogen" includes: Basic standards and general methods on chemical fertilizers .
National Metrological Verification Regulations of the People's Republic of China
- JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen
Professional Standard - Agriculture
- NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
- GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
Jiangsu Provincial Standard of the People's Republic of China
- DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus
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