Objective To evaluate uncertainty for concentration of hydrochloric acidstandardsolution 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。
2
Used AgNO3 Standardsolution 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。
3
Objective: Adding two titrant standardsolution volumes affecting acid base double point potentiometric method accuracy are discussed.