联系人 Mr. Kevin
NO46,chaoyang west road,xinpu district, Lianyungang, Jiangsu
|
Item
|
Limit
|
Result
|
|
Description
|
White crystals or crystalline
powder
|
Conforms
|
|
Identification
|
Infrared absorption
spectrum
|
Conforms
|
|
Specific
rotation[a]D*0°
|
*8.3°～*9.5°
|
*8.4°
|
|
State of solution
|
≥*5.0%
|
*6.0%
|
|
Chloride (Cl)
|
≤0.*4%
|
Conforms
|
|
Ammonium (NH4)
|
≤0.*2%
|
Conforms
|
|
Sulfate (SO4)
|
≤0.**0%
|
Conforms
|
|
Iron
(Fe)
|
≤*0PPm
|
6PPm
|
|
Heavy metals (Pb)
|
≤*0PPm
|
6PPm
|
|
Arsenic (As2O3)
|
≤1PPm
|
Conforms
|
|
Loss on
drying
|
≤0.5%
|
0.*3%
|
|
Residue on ignition
(sulfated)
|
≤0.1%
|
0.*6%
|
|
Assay
|
*8.0～ **1.0%
|
*9.5%
|
|
PH
|
4.5～ 5.5
|
5.0
|
