Sample spectrum exhibits maxima only at the same wavelengths as that of a similar preparation of the Reference Standard.
A blue color appears.
Complies
Complies
Water(KF)
5.0% max
2.53%
USP31<921 I>
Residue on Ignition
0.1% max
0.02%
USP31
Heavy Metals
<20ppm
7ppm
USP31<231 II>
Solubility
(Water 0.1%w/v)
Coenzyme Q 10
95.0% min
96.37%
Distilled water is used to prepare water soluble Coenzyme Q 10 solution (10ml) whose concentration is 1mg/ml . The solution should be extracted by ultrasonic for 1 hour and be centrifugal for 10 minutes at the speed of 2000r/min. The content of clear solution should be measured.
Dispersity
(Water 0.1%w/v)
No suspended materials and sediments
Complies
Distilled water is used to prepare water soluble Coenzyme Q 10 solution (10ml) whose concentration is 1mg/ml . The solution should be placed for 30 minutes after 15 seconds vibration. Appearance should be observed. No suspended materials and sediments should be found.