chemical nitrogen
chemical nitrogen, Total:33 items.
The international standard classification for "chemical nitrogen" includes: Chemical reagents .
The Chinese standard classification for "chemical nitrogen" includes: General inorganic reagent , Chemical reagent in general , Chemical Measurement , Leather processing and products in general .
Liaoning Provincial Standard of the People's Republic of China
- DB21/T 3479-2021 Technical Guidelines for Using Organic Materials to Replace Chemical Nitrogen Fertilizers in Paddy Fields
Taiwan Provincial Standard of the People's Republic of China
- CNS 3572-1973 Chemical Analysis of Natural Rubber (Nitrogen)
- CNS 7807-1981 Chemical Reagent (Azobenzene)
Professional Standard - Chemical Industry
- HG/T 3438-1999 Chemical reagent - Devardas Alloy
- HG/T 3438-2013 Chemical Reagent - Devarda’s Alloy
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 608-1988 Chemical reagent--General method for the determination of nitrogen
- GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
- GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen
- GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
Professional Standard - Agriculture
- GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
- GB/T 609-2018(XG1-2024) Chemical Reagents General Method for Determination of Total Nitrogen
- GB 608-1988 General method for chemical reagent nitrogen determination
National Metrological Verification Regulations of the People's Republic of China
- JJG 801-2004 Verification Regulation of Chemiluminescent NO/NOx Analyzers
- JJG 801-1993 Chemiluminescent No/NOX Analyzer
Professional Standard - Light Industry
- QB/T 2722-2005 Leather - chemical test - Determination of nitrogen content and hide substance -- Titrimetric method
Shanghai Provincial Standard of the People's Republic of China
- DB31/T 137-6-1994 Standard solution of urea nitrogen for clinical chemistry
Chongqing Provincial Standard of the People's Republic of China
- DB50/T 833-2017 Determination of nitrogen oxides in ambient air (nitrogen monoxide and nitrogen dioxide) by chemiluminescence
工业和信息化部
- HG/T 6105-2022 Flame retardant chemical Hygroscopic sorption test of phosphorus-nitrogen based flame retardant
GSO
- GSO 198:1994 CHEMICAL ANALYSIS OF CARBON STEEL – DETERMINATION OF NITROGEN
- OS GSO 198:1994 CHEMICAL ANALYSIS OF CARBON STEEL – DETERMINATION OF NITROGEN
CZ-CSN
- CSN 42 0550 Cast.9-1984 Chemical analysis of ferroalloys. Analysis of ferrochromium. Determination of nitrogen
- CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
- CSN 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content
PL-PKN
- PN H04222-1974 Chemical analysis of ferroalloys Ferrochromium nitriding
- PN H04221-1968 Chemical analysis of ?erro-alloys Ferro-manganese nitriding
CU-NC
- NC 24-66-1986 Inorganic Chemical Products Nitrogen. Quality Specifications
- NC 24-63-1986 Inorganic Chemical Products. Nitrogen. Purity Determination by Orsat Anaiyzer Method
- NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content
SCC
- BS 7164-21:1990 Chemical tests for raw and vulcanized rubber-Determination of nitrogen content
Association Francaise de Normalisation
- NF A06-654:1993 Chemical analysis of titanium alloys. Determination of nitrogen content. Titrimetric method.
British Standards Institution (BSI)
- BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
- BS 7164-21:1996 Chemical tests for raw and vulcanized rubber - Determination of nitrogen content
RU-GOST R
- GOST 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
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