- British Pharmacopoeia Volume IV
- Appendices
- Appendix I A. General Reagents
Nitrogen R1 |
Nitrogen R1 Nitrogen containing not less than 99.999% v/v of N2.
Carbon monoxide Less than 1 ppm.
Oxygen Less than 5 ppm.
Nitrogen R1 Nitrogen containing not less than 99.999% v/v of N2. Carbon monoxide Less than 1 ppm. Oxygen Less than 5 ppm. |