acid thymol blue的用法和样例：
- A catalytic kinetic spectrophotometry method for the determination of trace iron has been established based on its catalytic effect on the oxidative discolour of hydrogen peroxide with thymol blue in acid medium.
- To determine the free fatty ac id in vegetable oil with NaOH's standard titration solution,using Thymol Blue a s itsindicator.
- The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method.
- The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o-ckesolphthalein and thymol blue, as well as their the colour-changing ranges were studied by spectrophotometry.