Ammonium sulfate AR 250g
13701-250g

Specification:

Assay..............................99.0% min.
pH (5% soln)..................... 5.0-6.0
R.A.I..............................0.005 % max
Na, K................. 0.005 % max each
Cl................................0.0005 % max
Pb..............................0.0004 % max
H.M.(as Pb).............0.0005 % max
Mg , Se,Ca......0.002 % max each
NO3............................0.001 % max
Fe,Cu,PO4......0.0005% max each
As............................0.00002 % max
Insol............................0.005 % max

Formula:- (NH4)2SO4
Mwt:- 132.13
CAS:-7783-20-2