在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量,避免了直接碘量法终点识别的困难。
During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.
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.
提出了用螯合滴定法测定矿石试样中的锡,用以取代铝片还原碘量法。
Methods Tannin was extracted by the ultrasonic technology and content of tannin was determined by the method of complex titration.
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