研究了水合五氧化二锑磷钼酸铵复合无机离子交换剂的制备和交换性能。
A new complex ion exchanger, hydrated antimony pentoxide ammonium molybdophosphate, is prepared and its exchanging capacity is studied.
采用硫酸铵沉淀法和阴离子交换层析法从鸡蛋清内提取高纯度卵铁传递蛋白。
High purity ovotransferrin was extracted from albumen by precipitation with ammonium sulfate and ion exchange chromatography in the study.
对采用离子交换法从钼酸铵溶液中除钒进行了研究。着重考察了DP - 1螯合型树脂从钼酸铵溶液中分离钒。
Study is made of vanadium removal from ammonium molybdate solution by ion exchange, focusing on the use of DP-1 resin for the said purpose.
系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.
较系统地研究了湿冶离子交换法生产仲钨酸铵工艺中杂质锡的行为。
Study the action of Sn in the production of APT by ion-exchange of hydrometallurgy.
原因是铵饱和沸石的阳离子交换量和比表面积有所增加，同时铵饱和沸石的孔穴和通道也较天然沸石更加均一和畅通。
Compared with natural zeolite, the specific surface area and CEC of ammonium saturated zeolite were larger, and also the interspaces channels were more uniformed.
本文研究了用大孔强碱性阴离子交换脂树D296处理仲钨酸铵（APT）结晶母液，回收其中钨及氯化铵。
The process of the crystalline mother solution, ammonium paratungstate (APT) , through the macroporous strong-base resin D296, and the recovery of tungsten and ammonium chloride in it are studied.
该催化剂是将沸石与氧化铝先混合成型、制成载体，然后用铵离子将沸石中的钠离子交换至一定交换度，再用铂金属进行浸渍而制成的。
The said catalyst is prepared through mix shaping of zeolite with alumina to make up carrier, exchanging na ions in zeolite with ammonium ions, and impregnating with Pt.
发酵液经超滤浓缩、硫酸铵沉淀、阴离子交换色谱和分子筛色谱，获得了纯度为90%的SEC2，总收率23%。
SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.
发酵液经超滤浓缩、硫酸铵沉淀、阴离子交换色谱和分子筛色谱，获得了纯度为90%的SEC2，总收率23%。
SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.
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