High quality Zinc Selenite ZnSeO3 Cas 13597-46-1
Introduction
Other name:Selenious acid, zinc salt (1:1); Selenious acid zinc salt (1:1)
CAS NO.:13597-46-1
EINECS NO.:237-048-9
MF:ZnSeO3
MW:192.3672
InChI:1/H2O3Se.Zn/c1-4(2)3;/h(H2,1,2,3);/q;+2/p-2
Appearance:white crystalline powder,odorless, in soluble in water but soluble in ethanol.
Specification:
Items
|
Index
|
Appreance
|
White crystalline powder
|
Clour and Clarity of
aqueous solution
|
Colourless,clear
|
Assay
|
¡Ý99%
|
As (based on As2O3)
|
¡Ü4ppm
|
Heavy Metal (based on Pb)
|
¡Ü20ppm
|
Loss on drying
|
¡Ü0.5%
|
Residue on ignition
|
¡Ü0.1%
|
Total number of bacterial colonies
|
¡Ü10,00cfu/g
|
Yeast & mould
|
¡Ü100cfu/g
|
Coliforms
|
¡Ü30MPN/g
|