Total nitrogen and total phosphorus control
Total nitrogen and total phosphorus control, Total:22 items.
The international standard classification for "Total nitrogen and total phosphorus control" includes: Fertilizers .
The Chinese standard classification for "Total nitrogen and total phosphorus control" includes: Chemical fertilizer and chemical soil conditioner , 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
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
Professional Standard - Agriculture
- NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
Group Standards of the People's Republic of China
- T/GDAEM 4-2022；T/GDCAA 004-2022 Technical Requirements and Testing Methods for Portable Monitoring Instruments for Water Quality Parameters: Chemical Oxygen Demand, Total Phosphorus, Ammonia Nitrogen, and Total Nitrogen
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
- GB/T 10511-2008 Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation
- GB 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
- GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content
- GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
Heilongjiang Provincial Standard of the People's Republic of China
- DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice
Türk Standardları Enstitüsü
- TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE
International Organization for Standardization (ISO)
- ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
American Society for Testing and Materials (ASTM)
- ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
- ASTM D8001-16(2024) Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
- ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
GCC Standardization Organization
- GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
- OS GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
Danish Standards Foundation
- DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
Kingdom of Bahrain Testing and Metrology Directorate
- BH GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
Japanese Industrial Standards Committee (JISC)
- JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
Gosstandart of Russia
- GOST 9794-1974 Meat products. Methods for the determination of total phosphorus contents
Magyar Szabványügyi Testület
- MNOSZ 448-27.lap-1955 Determination of total nitrogen water
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