By alkali melt,the molybdenum in spent catalysts forms +6 molybdenum which can solute in water.
通过碱熔融,使废催化剂中的钼生成水溶性的六价钼,通过锌粉还原,以二苯胺磺酸钠为指示剂,用重铬酸钾滴定。
The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
Property characterization of zeolites NaA and NaX from fly ash using alkaline fusion method;
碱熔融法合成NaA和NaX型粉煤灰沸石的品质表征
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