calcium arsenate

calcium arsenate的基本解释

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[化] 砷酸钙

与calcium arsenate相关的网络例句 [注：此内容来源于网络，仅供参考]

There are other metal arsenates, such as those of Fe,Zn,Cu, and Pb, which are less soluble and more stable in the neutral pH region than calcium arsenates or ferric arsenate, but these have not been seriously considered as disposal forms.

还有其他金属砷酸盐，例如那些 Fe、 Zn、 Cu和 Pb，比起砷酸钙或者砷酸铁来，这些物质在中性的 pH 值范围内很少是可溶并且更稳定的，但是这些物质没被以处理的形式认真慎重地考虑过。

The most common methods of removing arsenic from aqueous process streams are by precipitation as arsenic sulfide, calcium arsenate, or ferric arsenate, but it has been suitable for direct disposal to uncontained sites as they will produce leachate containing arsenic.

从水中去除砷是最常用的做法，工艺流程是通过沉淀类似硫化砷、砷酸钙或者砷酸铁，由于会产生含砷的沥出夜，因此这种方法适合用于不限制排放场所的直接处置。

When pH is 10, adsorption time is 30 min, dosage of bone char is 0.6 g/L, the original concentration of As in drinking water is 0.5 mg/L, As removal can reach 95.2%. The adsorption behavior is fitted both with Langmuir and Freundlich isotherm. The adsorption mechanism is supposed to be Ca—OH functional groups combined with anion. And there may occur the co-precipitation between calcium hydrogen arsenate and hydroxylapatite in the aqueous solution, and ions also exchange. The saturation adsorption capacity of As reaches 4.688 mg/g. Indexes of effluent are in good agreement with the WHO stringent drinking water standards (0.01 mg/L).

研究结果表明：在pH=10，吸附时间为30 min和骨炭加入量为0.6 g/L，饮用水砷初始质量浓度为0.5 mg/L时其砷去除率可达95.2%；骨炭吸附砷的行为同时符合Langmuir和Freundlich等温吸附模型；其吸附机理可能是Ca—OH官能团结合HASO4阴离子，并产生砷酸氢钙和羟基磷灰石的共沉淀，另外还存在离子交换作用；吸附柱的饱和吸附容量为4.688 mg/g；出水砷浓度符合世界卫生组织规定饮水砷标准(0.01 mg/L)。

与calcium arsenate相关的网络解释 [注：此内容来源于网络，仅供参考]

calcium arsenate：砷酸钙

calcium antagonist 钙拮抗剂 | calcium arsenate 砷酸钙 | calcium arsenite 亚砷酸钙

calcium arsenate：砷酸钙杀虫剂

calcium arsenate 砷酸钙 | Calcium arsenate 砷酸钙杀虫剂 | calcium base grease 钙基润滑脂

ammonium calcium arsenate：砷酸钙铵

六溴锡(IV)酸铵 ammonium bromostannate | 砷酸钙铵 ammonium calcium arsenate | 磷酸钙铵 ammonium calcium phosphate

arsenate of lime; calcium arsenate：砒酸钙

\\"砒酸铅\\",\\"arsenate of lead\\" | \\"砒酸钙\\",\\"arsenate of lime; calcium arsenate\\" | \\"两角兽(属)\\",\\"Arsinoitherium \\"

Calcium arsenate and calcium arsenite mixture, solid：固态砷酸钙和亚砷酸钙混合物

359,"砷酸钙","Calcium arsenate",1573 | 360,"固态砷酸钙和亚砷酸钙混合物","Calcium arsenate and calcium arsenite mixture, solid ",1574 | 361,"氰化钙","Calcium cyanide",1575