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Exam questionKROK 2Pharmacy ยท 2015

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

Answer options

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

Sodium hypophosphite

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