With working practice, double indicator method is pointed out to determine the content of sodium Hydroxide and Tri-sodium Phosphate in industrial stove water.
结合实践提出使用双指示剂法测定工业煮炉水中氢氧化钠和磷酸三钠浓度。
A new double indicator electrodes potentiometric precipitation titration method coupled with multivariate calibration for the simultaneous determination of mixed halide ions was developed.
建立一种可同时测定混合卤素离子的电位滴定新方法。
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