Zinc Carbonate

Zinc Carbonate

• A basic carbonate of Zinc of variable composition White odourless powder 

STANDARDS

• Assay………………min 65 - 70%
• Chloride    …………min    0.02%
•  Sulphate …………. min   0.025%
•  Iron…………….     min   0.005%
•  Lead………………min   0.0025%
•  Nitrate…………… min   0.01%

Zinc Nitrate

ZINC  NITRATE

·         Zn(NO₃)₂.6H₂O……………Mol. Wt. 297.49

Colorless, white  crystals,soluble  in 1 part  of  water.

·         Assay ……………………………99.2 %

 STANDARDS

 ·          Chloride ……………………Max. 0.003 %

·          Sulphate …………………Max.  0.002 %

·          Iron ……………………………Max. 0.001 %

·          Insolubles …………………Max. 0.005 %

Zinc Phosphate

ZINC  PHOSPHATE

• Zn₃(PO₄)₂ …………Mol. Wt. 386.05 

White Odourless Powder Insoluble in Water, soluble  in  dilute mineral acids & ammonia

•  Assay …………………………………………98 %

Maximum  Limits  of  Impurities

·          Iron ……………….Max  0.01 % 

·          Chloride ……   Max.  0.010 %

·          Sulphate ………… Max. 0.01 %

·          Nitrate …………… Max 0.002 %