Objective To evaluate uncertainty for concentration of hydrochloric acid standard solution prepared and standardized with the method in Chinese Pharmacopoeia (edition 2005).
目的对按照2005年版《中国药典》方法配制和标定的盐酸标准溶液浓度进行不确定度评定。
Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.
以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
Objective: Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed.
目的：探讨两次加入滴定剂标准溶液的体积对酸碱双点电位滴定法准确度的影响。
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