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Valence ion
Valence ion, Total:8 items.
In the international standard classification, Valence ion involves: Coals, Leather technology, Soil quality. Pedology, Agricultural machines, implements and equipment, Refractories, Products of the textile industry.
Standard Association of Australia （SAA）, Valence ion
- AS 2434.9:2000 Method for the analysis and testing of lower rank coal and its chars - Determination of four acid-extractable ions in lower rank coal
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Valence ion
Korean Agency for Technology and Standards (KATS), Valence ion
- KS D 9535-2016(2021) Evaluation of Adhesion/Cohesion of Plasma Sprayed Ceramic Coatings by Scratch Testing
German Institute for Standardization, Valence ion
- DIN 19682-13:2009 Soil quality - Field tests - Part 13: Determination of carbonate, sulfide, pH-value and iron(II)-ions
- DIN 19682-13:1997 Methods of soil investigations for agricultural water engineering - Field tests - Part 13: Determination of carbonate, sulfide, ph-value and iron(II)-ions
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Valence ion
- GB/T 34176-2017 Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline
Group Standards of the People's Republic of China, Valence ion
- T/CNTAC 155-2023 Textiles—Determination of chromium (VI)—Ion chromatography method
National Metrological Technical Specifications of the People's Republic of China, Valence ion