• British Pharmacopoeia Volume IV
  • Appendices
  • Appendix I A. General Reagents

Sodium Sulphide
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Sodium Sulphide Na2S,9H2O  =  240.2 (1313-84-4)

Analytical reagent grade of commerce.

Deliquescent, crystalline masses which turn yellow on storage.

Store in an airtight container.