|
USP24 |
BP2000 |
Content |
96-101.5% |
98-102% |
Melting point |
165-169 ºC |
165-168 ºC |
Acidity |
conform |
conform |
Clarity |
conform |
conform |
Chloride |
0.007% Max |
50ppm% Max |
Sulphate |
0.01% Max |
100ppm% Max |
Ni content |
- |
1ppm% Max |
Loss on dry |
0.05% Max |
0.08% Max |
Residue burn |
0.01% |
- |
Heavy Metals Pb |
- |
0.5 ppm |
Arsenic As |
1ppm Max |
- |
Sulphated ash |
- |
0.1% Max |
Specific optical rotation |
+137 - +145 |
+23 - +24 |