sulfide titration
... 硫化黑斑 sulfide staining 硫化物滴定 sulfide titration 亚磺酸 sulfinic acid ...
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用碘量法测定了污水中的硫化物，实验探讨了加药次序、空白滤纸、滴定终点的判断问题。
The Iodine amount method was used to determine sulfide in wastewater. Several details in experiment were discussed.
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