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Exam questionKROK 2Pharmacy ยท 2011

Select the reductant required for the determination of arsenic impurity in drugs (method 2):

Answer options

  1. Potassium iodide solution
  2. Sodium sulfite solution
  3. Hydrochloric acid solution
  4. Sodium hydroxide solution
  5. Sodium hypophosphite
Correct answer

Sodium hypophosphite

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