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。
Objective to establish a method to determine free hydrazine in isoniazid injection by difference spectrophotometry.
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。
Methods Paracetamol absorption value in penetration liquid was mensurated with skin penetration abs orb in vitro test method and difference spectrophotometry.
根据二氧化氯可氧化二甲酚橙、氯酚红使其褪色的特性，可用示差分光光度法测定水中低浓度二氧化氯的含量。
The low concentration of chlorine dioxide in water can be determined by spectrophotometry based on the chlorine dioxide can decolor and oxidize xylenol orange and chlorophenol red.
分别采用差示-三波长分光光度法和单波长分光光度法测定复方利福平胶囊中的异烟肼及利福平。
The differential three wavelength and the simple wavelength spectrophotometry were used for determining isoniazid and rifampicin respectively in compound rifampicin capsules.
根据二氧化氯可氧化氯酚红使其褪色的特性，用示差分光光度法测定水中低浓度二氧化氯的含量。
The concentration of chlorine dioxide was determined by spectrophotometry according to the characteristic of decoloration of chlorophenol red with chlorine dioxide.
根据二氧化氯可氧化氯酚红使其褪色的特性，用示差分光光度法测定水中低浓度二氧化氯的含量。
The concentration of chlorine dioxide was determined by spectrophotometry according to the characteristic of decoloration of chlorophenol red with chlorine dioxide.
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