Zinc Sulphate Heptahydrate ACS Reagent Ê
 
Item : Zn288A
ZnSO4·7H2O, FW=287.56
CAS No. 7446-20-0
Melting Point, 100°C
Density, 1.957


Index
 
Assay 99-103%   Manganese <3ppm
Insoluble matter <0.01%   Iron <0.001%
Substns. not precip. <0.2%      
pH (5% solution) 4.4-6.0      
Ammonium <0.001%      
Chloride <5ppm      
Nitrate <0.002%      
Sodium <0.05%      
Potassium <0.01%      
Magnesium <0.005%      
Calcium <0.005%      
Lead <0.003%      
Arsenic <1ppm      
.
 
       
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