tn total nitrogen
tn total nitrogen, Total:34 items.
The international standard classification for "tn total nitrogen" includes: .
The Chinese standard classification for "tn total nitrogen" includes: .
未注明发布机构
- CIE TN 009-2019
- CIE TN 007-2017
- CIE TN 005-2016
- CIE TN 008-2017
- CIE TN 010-2019
- CIE TN 004-2016
- CIE TN 006-2016
Group Standards of the People's Republic of China
- T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
- T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
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
International Organization for Standardization (ISO)
- ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
- ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
German Institute for Standardization
- DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
- DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
- DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
Association Francaise de Normalisation
- NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
- NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
- NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
British Standards Institution (BSI)
- BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
- 23/30464382 DC BS EN ISO 20236. Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
SCC
- BS ISO 20236:2018 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<sub>b</sub>) and dissolved bound nitrogen (DN<sub>b</sub>) after high temperature catalytic oxidative combustion
- DIN EN ISO 20236 E:2023 Draft Document - Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combust...
- NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
- DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
HU-MSZT
- MNOSZ 448-27.lap-1955 Determination of total nitrogen water
- MSZ 318/18-1981 Determination of total nitrogen in sludge test
PL-PKN
- PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
- PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
NL-NEN
- NEN 6642-1992 Water-Calculation of total nitrogen content
CZ-CSN
- CSN ON 12 0516-1963 Nahrazuje TN 1314
- CSN 68 4124-1980 Determination of small mounts of total nitrogen
VN-TCVN
- TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
American Society for Testing and Materials (ASTM)
- ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
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