• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I C. Standard Solutions

Calcium Standard Solution (100 ppm Ca), Alcoholic

Calcium Standard Solution (100 ppm Ca), Alcoholic Immediately before use, dilute with ethanol (96 per cent) R to 10 times its volume a solution in distilled water R containing calcium carbonate R equivalent to 2.50 g of CaCO3 and 12 mL of acetic acid R in 1000.0 mL.