Answer to Question #349187 in General Chemistry for Cam

Question #349187

What properties must a compound have to make it suitable for use as a primary standard?





1
Expert's answer
2022-06-09T06:25:10-0400

Features of a primary standard include:


  • High purity.
  • Stability (low reactivity)
  • Low hygroscopicity (to minimize weight changes due to humidity)
  • High equivalent weight (to minimize weighing errors)
  • Non-toxicity.
  • Ready and cheap availability.

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