As a pioneer business name, we are readily indulged in the business of manufacturing, exporting and supplying to our patrons an exclusive collection of Zinc Sulphate Heptahydrate from Mumbai, Maharashtra, India. It is stringently tested on various quality parameters to assure its purity and reliability. Customers can acquire it from us at the industry leading rate.
Synonyms: Zinc Sulfate
CAS Number: 7446-20-0 &7733-02-0,
Molecular Weight: 287.54,
Chemical Formula: ZnSO4Â·7H2O,
EINECS EC Number: 231-793-3
Content: 99.0 per cent to 104.0 per cent Zinc Sulphate Heptahydrate ( Zinc Sulfate Heptahydrate ).
A. Solution S (see Tests) gives the reactions of sulphates.
B. Solution S gives the reaction of zinc.
C. It complies with the limits of the assay.
Solution S: Dissolve 2.5 g in carbon dioxide-free water and dilute to 50 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
pH: 4.4 to 5.6 for solution S.
Chlorides: Maximum 300 ppm.
Iron: Maximum 100 ppm.