Product
Specifications:
Appearance:- White solid
Characters:- Freely soluble in methanol, soluble in alcohol,
sparingly soluble in water, practically insoluble in acetone, acetonitrile and
methylene chloride
Melting point;- 211? ~ 215?
Loss on drying :-NMT 0.5% (2h at 105?)
Sulphated ash:- NMT 0.10%
Purity(HPLC dry basis):- NLT 98.0%
pH of standard solution:-5.0 ~ 6.0
(10% solution in water)
Heavy metals:-
·
As (mg/kg):-
0.082
·
Pb (ug/L):-
0.25
·
Cr (mg/kg):-
0.12
·
Ni (mg/kg):-
0.23
·
Hg (mg/kg:-
0.017
Identification:- HPLC IR