xiaozhu
第7楼2008/12/22
英国药典Potassium Acetate 含量分析:
ASSAY
Dissolve 80.0 mg in 20 ml of anhydrous acetic acid R. Add 0.2 ml of naphtholbenzein solution R. Titrate with 0.1 M perchloric acid. Carry out a blank titration.
1 ml of 0.1 M perchloric acid is equivalent to 9.81 mg of C2H3KO2.
上述规程虽然是用来分析醋酸钾晶体含量,但你可以做适当调整用来分析溶液含量,比如将溶液蒸干而得到晶体,然后按照该规程分析。