Arsenic in waste acid was determined successfully by atomic fluorescence.

用原子荧光仪分析污酸中的砷.

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Much of the waste acid is utilized.

废酸中大部分被利用了.

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Single - pipe filling rising film condensation and crystal desalination is a developed process to treat waste acid.

单管填料升膜浓缩结晶脱盐法是一种治理废酸液的新工艺.

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Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification.

利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化.

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With mild reaction, no corrosion and no waste acid, the esterification is advantageous.

本法具有操作方便、反应温和 、 无腐蚀和无废酸排放等优点.

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