Exam questionKROK 1Pharmacy ยท 2009
Quantitative determination of calcium chloride is carried out by method of direct chelatometric titration. Choose an indicator for fixation of the titration endpoint:
Answer options
- Phenolphthalein
- Starch
- Eriochrome black T
- Eosin
- Methyl red
Correct answer
Eriochrome black T
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