- British Pharmacopoeia Volume V
- Appendices
- Appendix I C. Standard Solutions
Sulfate Standard Solution (100 ppm SO4) |
Sulfate Standard Solution (100 ppm SO4) Sulphate Standard Solution (100 ppm SO4)
Immediately before use, dilute with distilled water R to 10 times its volume a solution in distilled water R containing dipotassium sulfate R equivalent to 0.181 g of K2SO4 in 100.0 mL.