Lung's indicator
英
美
隆氏指示剂
双语例句
- The active ingredient content in film-forming solution and the film thickness were tested by spectrophotography, and the total acidity of the solution was detected by Lung's indicator.
采用分光光度法测定了涂膜液中活性成分的含量、膜层厚度，采用指示剂法测定了涂膜液的总酸度。