Arsenic is separated from the bismuth matrix by ion exchange method and determined by hydride generation atomic absorption spectrophotometry.
该方法用离子交换将砷同基体铋分离，然后用氢化物发生原子吸收光谱法测定。
It is speculated that the absorption mechanisms of the resins for heavy metal ion include ion exchange, physical adsorption and charge neutralization.
树脂对重金属离子的吸附是离子交换、物理吸附和电荷中和共同作用的结果。
Ion exchange fiber is a kind of material whose function covers ion exchange, absorption, dehydration, catalysis and decoloration.
离子交换纤维是一种纤维状离子交换材料，其功能包括离子交换、吸附、脱水、催化、脱色等。
There are many common principles to remove mercury in industrial wastewater, such as absorption, sedimentation, flocculation, ion exchange and filtration etc.
工业废水中常用的除汞方法有吸附法、沉淀法、混凝法、离子交换法、过滤法等。
Several new technologies of industrial waste water treatment including coagulation, absorption, biodegradation and ion exchange resinare compared.
介绍对比了几种新型的工业废水处理技术：混凝沉淀法、吸附法、生物降解法和离子交换树脂法。
In this paper, a flow-injection system with on-line ion-exchange preconcentration and atomic absorption detection was developed and applied to the determination of tEe amount of lead in natural water.
本文提出了痕量铅的在线流动注射离子交换预浓集火焰原子吸收测定方法，并将其应用于天然水的分析。
The removal function is based on the absorption of zeolite for nonionic ammonia and on the ion-exchange of zeolite with ionic ammonia , and the former is always stronger than the latter .
其去除原理主要为沸石对非离子氨的吸附作用和与离子氨的离子交换作用，且前者总强于后者。
The method can shorten ion exchange time, improve ion exchange rate, and improve the absorption desulfurization capability of the absorbent.
该方法能缩短离子交换时间，提高离子交换度，提高吸附剂的吸附脱硫能力。
Particles prepared by ion-exchange method excel at photo-absorption efficiency and oxygen-adsorptive capacity than titanium dioxide.
离子交换法制备的二氧化铈的光吸收效率和吸附氧量都优于二氧化钛。
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
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