详情
Spcification:
Appearance ………………………White crystals
powder,
CONTENTS(as Ca),%
………………………*7.****0.5
As,%………………………0.***3 max
Fluoride,% ………………………0.**3
max
Lead.% ………………………0.**2 max
Heavy
metals,%………………………0.**2max
Loss on drying,%
………………………*0.***3.3
Acid insolubles substance,%
………………………0.2 max
PROPERTIES:WHITE
POWDER,ODOURELSS, SLIGHTLY DIFFICULTLY SOLUBLE IN
WATER(0.**5g/**0ML *5℃), ALMOST
INSOLUBLE IN ETHANOL. WHEN HEATED TO **0℃, IT MAY LOSE
CRYSTAL WATER,WHEN HEATED TO **0℃, THE CRYSTAL
WILL LOSE WATER COMPLETELY.
