Zinc Chloride Anhydrous or Zinc Chloride Pharma grade is
offered by us as under:
Zinc Chloride
USP ZnCl2 136.30Assay— Zinc Chloride
contains not less than 97.0 percent and not more than 100.5 percent of ZnCl2.
Packaging and storage— Preserve in tight containers.
Identification—
A
solution of it responds to the tests for Zinc and for Chloride.
Limit of oxychloride— Dissolve 1.0 g in 20 mL of water, add 20 mL of alcohol, and mix. To 10 mL of the
mixture add 0.30 mL of 1.0 N hydrochloric acid: the solution becomes perfectly
clear.
Sulfate— Dissolve 1.0 g
in 30 mL of water: 20 mL of this solution shows no more sulfate than corresponds
to 0.20 mL of 0.020 N sulfuric acid (0.03%).
Limit of ammonium salts— To 5 mL of a solution (1 in 10) add 1 N sodium hydroxide until the precipitate first formed is
re-dissolved, and then warm the solution: no odor of ammonia is perceptible.
Lead— Dissolve 0.50 g
in 5 mL of water, and transfer the solution to a color-comparison tube (A).
Add 15 mL of Potassium Cyanide Solution (1 in 10), mix, and allow the
mixture to become clear. In a similar, matched color-comparison tube (B)
place 5 mL of water, and add 2.50 mL of Standard Lead Solution (see Heavy Metals
231 ) and 15 mL of Potassium Cyanide Solution (1 in 10).
Add to the solution in each tube 0.1 mL of sodium sulfide TS. Mix the contents
of each tube, and allow to stand for 5 minutes: viewed downward over a white
surface, the solution in tube A is not darker than that in tube B (indicating not more than 0.005% of lead).
Alkalies and alkaline
earths— Dissolve 2.0 g in about 150 mL of water contained in a 200-mL
volumetric flask. Add sufficient ammonium sulfide TS to precipitate the zinc
completely, dilute with water to volume, and mix. Filter through a dry filter,
and reject the first portion of the filtrate. To 100 mL of the subsequent
filtrate add 5 drops of sulfuric acid, evaporate to dryness, and ignite: the
weight of the residue does not exceed 10 mg (1.0%).
Organic volatile impurities: meets the requirements
We also offer Free-flowing Non-caking
Zinc Chloride.
We offer
Zinc Chloride IP Zinc Chloride BP, USP and Zinc Chloride EP from our world class FDA approved, ISO-9001-2008 Certified facility,
Anmol Chemicals
Zinc Chloride USP Grade
Zinc Chloride
USP manufacturers at:
MUBY CHEMICALS
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI
400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610,
23723564. FAX: 91-22-23728264
e-mail:
info@mubychem.com
Cell Call
to Anmol: +91-9821870100
USA & Canadian Customers may Call
773-829-5811
Copyright
and
Usual Disclaimer
is Applicable.
Last
updated:
23 October, 2011.
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