介绍ED TA容量法测定萤石中氟化钙时所使用的主要试剂、掩蔽剂等的选择。
The selection of main reagents and screening agents has been introduced for measuring the calcium fluoride in fluorite by EDTA volumetric method.
本文详细讨论了络合型分析试剂的追加掩蔽作用。
In this paper the post masking, action of analytical reagents of the coordination type is thoroughly discussed.
为此，以双氧水、铜铁试剂为掩蔽剂和除杂剂，对该含钒酸浸液进行了除杂净化试验。
For this, hydrogen peroxide and cupferron were used as screening agent and agent for removing impurities in the test of purifying this vanadium-containing acid leaching solution.
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