Objective to establish a method to determine free hydrazine in isoniazid injection by differencespectrophotometry.
目的建立差示分光光度法测定异烟肼注射液中游离肼的方法。
2
Methods Paracetamol absorption value in penetration liquid was mensurated with skin penetration abs orb in vitro test method and differencespectrophotometry.
方法采用体外透皮吸收实验方法和差示分光光度法测定透过液中扑热息痛的吸收度。
3
A simple selective spectrophotometry has been developed for determination of molybdenum in the presence of tungsten based on the difference of polymeric behavior and complex ability.