Exam questionKROK 2Pharmacy ยท 2014
A pharmaceutical analyst analyzes a dosage form containing zinc sulfate. What reagent enables him to confirm the presence of the zinc cation in the analyte?
Answer options
- Potassium ferrocyanide
- Sodium sulfide
- Sodium tetraphenylborate
- Silver nitrate
- Ammonium chloride
Correct answer
Sodium sulfide
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