Inspection Standard
Company's Standard
Appearance
white crystalline powder
Name
Choline Dihydrogen Citrate
Inspection item
Assay ( Dry )
98 ≥ %
Moisture (W/W)
NMT 0.5%
PH (10% Aq. solution )
3.0-4.0
Ash
≤ 0.1%
Heavy metals
not more than 20PPM
Optical rotation
--
Bacteria inspection
Total number of bacteria
not more than 3000/g
Escherichia coli
not more than 40
pass 20mesh sieve
100%
Guarantee period
2 years