crystal grain for crystal molecular; crystal powder for anhydrous molecular Without smell, acid, anhydrous in 120 ?? Easily dissolved in ethanol. Firm in the air.
quality standard
Item Japanese standard 1992
Content % 98.0-101.0
5 % aqueous solution HP value 7-9
Sulfate ?ü 0.019
As (by ASO, GT-3) ?ü 4mg/kg
Heavy metal ( by b ) ?ü 20mg/kg
Oxide lab Normal
Crystal weightlessness ( 120 ?? .h ) % 37-41
anhydrous weightlessness (120 ?? .h) ?ü% 2