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

Acetonitrile R1
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Acetonitrile R1 Acetonitrile containing not less than 99.9% of C2H3N and complying with the following requirement.

Light absorption The absorbance of the reagent being examined at 200 nm, Appendix II B, is not more than 0.10. Use water in the reference cell.