PROCESS FOR OBTAINING PURE TUNGSTIC ACID/AND OR MOLYBDIC ACID (WATER SOLUBLE ISOPOLYACIDS) FROM ALCALINE TUNGSTEN AND/OR MOLYBDENUM METAL SALT SOLUTIONS CONTAINING IN PARTICULAR SILICON, PHOSPHORUS, ARSENIC IONS AND THE LIKE IMPURITIES
摘要
申请公布号
EP0219787(B1)
申请公布日期
1992.04.15
申请号
EP19860114139
申请日期
1986.10.13
申请人
MTA MUESZAKI FIZIKAI KUTATO INTEZETE
发明人
VADASDI, KAROLY, DR.;OLAH, RUBEN;BARTHA, LASZLO, DR.
