Exam questionKROK 2Pharmacy ยท 2014
Under the analytical normative documents, prior to direct bromatometric determination of arsenous acid anhydride the following substance should be added to the analyzed solution:
Answer options
- Sodium thiosulfate
- Potassium nitrate
- Potassium bromide
- Sodium hydroxide
- Sodium chloride
Correct answer
Potassium bromide
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