砷的

Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.

阐述了钨酸钠溶液中除硅、磷、砷的原理,并提出了具体的操作工艺。

Cacodylic acid, or sodium cacodylate is an arsenical compound and popular crystallization buffer and is not compatible with reducing agents.

二甲胂和 二甲胂酸钠是结晶中常的含砷化合物，它们不能与还原剂共。

Sulfide ores with BaSO4 as the main gangue , two kinds of slags , speiss and As-Cu alloy have been identified.

在还原熔炼中添加了砷矿物，冶炼的最产品是砷合金，还原熔炼产生的砷冰（）等副产品中的通过返料操作在冰熔炼工序得以回收。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主的富含有机质的湖沼相沉积环境、特定的地质、地形条件为地下水砷异常的原因。

The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下不浓度砷对蜈蚣草的孢子萌发、假根和原叶体生长发育的影响。