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

Zinc Standard Solution (100 ppm Zn)
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Zinc Standard Solution (100 ppm Zn) Immediately before use, dilute with water R to 10 times its volume a solution containing zinc sulfate R equivalent to 0.440 g of ZnSO4,7H2O and 1 mL of acetic acid R in 100.0 mL.