Zinc Sulphate 21 %

Zinc Sulphate 21 %

Matter Insoluble in water,percent by weight ,Maximum 1.0
Zinc (as Zn),percent by weight ,Maximum 21.0
Lead (as pb),percent by weight ,Maximum 0.003
Copper (as cu),percent by weight ,Maximum 0.1
Magnesium (as Mg),percent by weight ,Maximum 0.5
pH not less then  4.0
Sulpher (as S), percent by weight ,Maximum 10.0
Cadmium (as Cd), percent by weight ,Maximum 0.0025
Arsenic (as As),percent by weight ,Maximum 0.01