Mineral Nutrient Free Sample Zinc sulfate is an inorganic compound. It is used as a dietary supplement to treat zinc deficiency and to prevent the condition in those at high risk. Side effects of excess supplementation may include abdominal pain, vomiting, headache, and tiredness. The most common form includes water of crystallization as the heptahydrate,with the formula ZnSO4路7H2O. It was historically known as "white vitriol". Zinc sulfate and its hydrates are colourless solids. Application: Zinc sulphate heptahydrate (ZnSO4.7h2o) is mainly used as raw material for the production of lithophone and zincsalts. It is also used in synthetic fiber industry, zinc plating , pesticides, flotation, fungicide and water purification. In agriculture, it is mainly used in feed additive and trace element fertilize,etc SPEC Product NameZinc Sulfate ColorColorleless square crystal or powder or granule StandardFCC GradeFOOD BradeKolod UsageTable salt productions , food additives CertificationISO9001, ISO14001, ISO22000, GMP, SGS, HALAH, KOSHER FAQ 1.When will I get reply? We ensure you fast response,fast service.Emailes will be replied in 12 hours,your questions will be answered in time. 2.How about the validity of the products? Accoding to the products you ordered. 3.How about the packing? Usually we provide the packing as 25kg/bag or carton.Of course,if you have special requirements on them,we will according to you . 4.How about the storage and transport? It should be stored in a dry and ventilating warehouse.Be cautious to keep away from moisture and heat;unloaded with care,so as to avoid the damage.Furthermore,it should be stored separately from poisonous substances. 5.Which payment terms do you accepet? L/C,T/T,D/P,D/A,Western Union Paybal and so on.Mineral Nutrient Free Sample website:http://www.focuseebiomaterials.com/mineral-nutrient/