appearance :deep purple crystalline powder
ph indicator range 4.5(red)~6.2(yellow)
ethanol dissolution test:qualify
residue on ignition (as sulfate):0.2%max
loss on drying: 1.0%max
insoluble in cold water and hot water.
soluble in very hot acetone, benzene, chloroform, acetic acid, alcohol, lipids. slightly soluble in petroleum ether.
superiority:
1.powerful r & d team
2.the ability of quantized production,from grams to tons;
3.various kinds of advanced equipment in the laboratory and plant;
4.strict qc standard to meet the demand of customers,advanced equipment for analysis and a ssay;
5.efficient and safe logistic plans for chemical products transportation;
6.excellent after-sale service.
7. higest quality and good package