cytochrome c |
---|
specification:
item |
requirements |
test results |
appearance |
reddish or dark brown microcrystalline powder |
dark brown microcystalline powder |
colorimeteric identification |
positive |
passed |
ph |
5.0-7.0 |
6.7 |
purity |
>90.0% |
95.0% |
iron content |
0.40-0.48% |
0.47% |
solution 10% in water |
clear with red color |
passed |
moisture k.f. |
≤6.0% |
5.9%
|
residue on ignition |
<1.5% |
1.2% |
extinction rate er/eo |
>1.1 |
passed |
total microbial count |
<100c/g |
<90c/g |
moulds and yeast |
absent |
passed |
e.coli |
absent |
passed |
salmonella species |
absent |
passed |
pyrogens |
free |
free |
sterility |
complies with the test for sterility |