Determination of Micro Amounts of Ga in Rocks by Chromato-graphic separatton withr P350
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A new extraction chromatographic technique for rapid separation of Ga in rocks using dimethylheptyl methylphosphonate (P350) as stationary phase and polydivinylbenzene (x-5) resin as supporter has been studied. The sample solution in 2.0 N HCL-3.4 N NaCl medium was introduced on the chromatographic column,Ga can be eluted quantitatively by water.The percentage recovery of Ga was 99.5-100.1%·This method is applicable to determination of O.OOOOx-0.Ox0o gallium in rocks.
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钱程, 1985. P-(350)萃取色谱分离和岩石中痕量镓的测定[J]. 岩石矿物学杂志, 4(4):346~350. , 1985. Determination of Micro Amounts of Ga in Rocks by Chromato-graphic separatton withr P350[J]. Acta Petrologica et Mineralogica, 4(4): 346~350.
