USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
it conform with the jp xv standard
characteristics |
white crystal or crystalline powder.it is odorless. |
identification |
(1)(2)(3)(4)conforms to standard |
melting point |
about 271℃ |
solubility |
freely soluble in methanol soluble in ethanol 95%,sparingly soluble in water and acetic acid,practically insoluble in diethyl ether |
clarity and color of solution |
clear and colorless |
related substances |
conform to standard |
heavy metals |
not more than 20ppm |
ph value |
4.7~6.5 |
loss on drying |
not more than 0.5% |
arsenic salt |
not more than 1ppm |
residue on ignition |
not more than 0.1% |
microbial limits |
less than 100cfu/g bacteria less than 10cfu/g fungi less than 10cfu/g yeasts pathogen absent |
assay |
not less than 98.5% |