Index item Q/320724 LRP003-2007
(1)Content(in dry basis),≥% :anhydride 98.0 trihydrate 98.5
(2)Heavy metal(in lead),≤% :0.0015
(3)Lead, ≤% :0.0002
(4)Water insolubles,≤%:0.2
(5)Fluorine, ≤% :0.001
(6)Loss on drying,≤% :anhydride 2.0 trihydrate 20.0-30.0
(7)Arsenic,≤%:0.0003
(8)PH range(15g/l,25℃):8.9-9.4
(9)Packing:The net weight of each bag is 25kg