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trace ammonium
trace ammonium, Total:11 items.
In the international standard classification, trace ammonium involves: Soil quality. Pedology, Power stations in general, Geology. Meteorology. Hydrology, Metrology and measurement in general, Analytical chemistry, Semiconducting materials.
German Institute for Standardization, trace ammonium
- DIN 19730:1997 Soil quality - Extraction of trace elements with ammonium nitrate solution
- DIN 50451-6:2014-11 Testing of materials for semiconductor technology - Determination of traces of elements in liquids - Part 6: Determination of 36 elements in a high-purity ammonium fluoride solution (NH<(Index)4>F) and in etching mixtures of high-purity ammonium ...
- DIN 50451-6:2014 Testing of materials for semiconductor technology - Determination of traces of elements in liquids - Part 6: Determination of 36 elements in a high-purity ammonium fluoride solution (NH4F) and in etching mixtures of high-purity ammonium fluoride solution
BE-NBN, trace ammonium
- NBN-EN 101-1992 Ceramic tiles - Determination of scratch hardness of surface according to Mohs
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, trace ammonium
- GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography
- GB/T 12737-2008 Chemical products for industrial use.General method for determination of traces of sulphur compounds,as sulphate,by reduction and titrimetry
Association Francaise de Normalisation, trace ammonium
Professional Standard - Electricity, trace ammonium
- DL/T 954-2005 Analysis of water and steam in fossil fuel power plant Determination of fluoride, acetate, formate, chloride, nitrite, nitrate, phosphate and sulfate by ion chromatography
Professional Standard - Ocean, trace ammonium
- HY/T 0347-2022 Determination of seawater trace ammonium—Flow analysis,solid phase extraction and o-phthaldialdehyde fluorescence detection
International Organization for Standardization (ISO), trace ammonium
- DIN ISO 19730:2009 Soil quality - Extraction of trace elements from soil using ammonium nitrate solution (ISO 19730:2008);English version of DIN ISO 19730:2009-07
RU-GOST R, trace ammonium
- GOST R 8.907-2015 State system for ensuring the uniformity of measurements. State verification schedule for means measuring on Martens scales hardness and indentation scales hardness