The required reagents of this method is common, and the the cost is low, the operation is easy, and no poisonous hydrogen arsenide is produced in the experiment.

 
  • 本方法所需設備與化學(xué)試劑較為常見(jiàn),成本較低,操作上容易實(shí)現,而且測試過(guò)程中不會(huì )產(chǎn)生劇毒的砷化氫氣體。
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