Crystal Clear Products Ankleshwar India
Plot No-C1-1031-9, GIDC Estate, Panoli, Ankleshwar, Gujarat - 393002. India
Telephone Mobile: 91-7506449333; e-mail: info@crystalclearproducts.org

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Micro-Encapsulated Zinc Oxide & Zinc Oxide Specifications of Commercial Pure & IP BP Ph Eur USP Analytical Reagent FCC Food Grade Manufacturers & Exporters

Please visit Zinc Oxide USP NF ACS BP Ph Eur EP JP IP Analytical reagent FCC Food grade Manufacturers our associates world class FDA-GMP approved, ISO-9001 Certified facility Anmol Chemicals

Zinc Oxide Suppliers Manufacturers Micro-Encapsulated Zinc Oxide Exporters
Zinc Oxide CAS Number 1314-13-2
& Micro-Encapsulated Zinc Oxide

Zinc Oxide USP Grade Specifications:
ZnO --- 81.38
Zinc oxide CAS 1314-13-2

DEFINITION
Zinc Oxide, freshly ignited, contains NLT 99.0% and NMT 100.5% of ZnO.

IDENTIFICATION
A. When strongly heated, it assumes a yellow color that disappears on cooling.
B. Identification Tests - General, Zinc
Sample solution: Dissolve in a slight excess of 3 N hydrochloric acid.
Acceptance criteria: Meets the requirements.

ASSAY
Procedure
Sample: 1.5 g, freshly ignited
Analysis: Dissolve the Sample and 2.5 g of ammonium chloride in 50.0 mL of 1 N sulfuric acid, with the aid of gentle heat, if necessary. When solution is complete, add methyl orange TS. Titrate the excess sulfuric acid with 1 N sodium hydroxide VS. Each mL of 1 N sulfuric acid is equivalent to 40.69 mg of ZnO.
Acceptance criteria: 99.0 to 100.5% on the ignited basis

Arsenic: NMT 6 ppm
Lead:
Sample solution: Add 2 g to 20 mL of water, stir well, and add 5 mL of glacial acetic acid. Warm on a steam bath until dissolved.
Analysis: Add 5 drops of potassium chromate.
Acceptance criteria: No turbidity or precipitate is produced.
Iron and Other Heavy Metals:
Sample solution: Use the solution from Carbonate and Color of Solution.
Analysis: Cool 2 separate 5-mL aliquots of the ;Sample solution. Add potassium ferrocyanide to the first aliquot and add sodium sulfide to the second aliquot.
Acceptance criteria: White precipitates are formed in both aliquots.
Loss on Ignition: Ignite 2 g at 500C to constant weight: it loses NMT 1.0% of its weight.
Alkalinity:
Analysis: Mix 1.0 g with 10 mL of hot water, add 2 drops of phenolphthalein and filter.
Acceptance criteria: If a red color is produced, NMT 0.30 mL of 0.10 N hydrochloric acid is required to discharge it.
Carbonate and Color of Solution:
Analysis: Mix 2.0 g with 10 mL of water, add 30 mL of 2 N sulfuric acid, and heat on a steam bath with constant stirring.
Acceptance criteria: No effervescence occurs, and the resulting solution is clear and colorless. [Note: Use this solution in the test for Iron and Other Heavy Metals.]
Packaging and Storage: Preserve in well-closed containers.

Specifications of Zinc Oxide BP Ph Eur Grade
Ph Eur
ZnO -- 81.4 -- CAS 1341-13-2

DEFINITION
Content: 99.0 per cent to 100.5 per cent (ignited substance).

CHARACTERS
Appearance: Soft, white or faintly yellowish-white, amorphous powder, free from gritty particles.
Solubility: Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute mineral acids.

IDENTIFICATION
A. It becomes yellow when strongly heated; the yellow colour disappears on cooling.
B. Dissolve 0.1 g in 1.5 ml of dilute hydrochloric acid and dilute to 5 ml with water. The solution gives the reaction of zinc.

TESTS
Alkalinity: Shake 1.0 g with 10 ml of boiling water. Add 0.1 ml of PhPh solution and filter. If the filtrate is red, not more than 0.3 ml of 0.1 M hydrochloric acid is required to change the colour of the indicator.
Carbonates and substances insoluble in acids: Dissolve 1.0 g in 15 ml of dilute hydrochloric acid. It dissolves without effervescence and the solution is not more opalescent than reference suspension and is colourless.
Arsenic: Maximum 5 ppm, determined on 0.2 g.
Cadmium: Maximum 10.0 ppm.
Iron: Maximum 200 ppm.
Lead: Maximum 50.0 ppm.
Loss on ignition: Maximum 1.0 per cent, determined on 1.00 g by ignition to constant mass at 500 ±50C.


Zinc Oxide IP Grade is also offered.


Zinc Oxide FCC Food Grade
ZnO Formula weight 81.38
CAS: 1314-13-2

DESCRIPTION
Zinc Oxide occurs as a fine, white, amorphous powder. It gradually absorbs carbon dioxide from the air. It is insoluble in water and in alcohol, and is soluble in dilute acids and in strong bases.
Function: Nutrient.

REQUIREMENTS
Identification:
A. When strongly heated, a sample assumes a yellow color that disappears on cooling.
B. A solution of sample in a slight excess of 3 N hydrochloric acid gives positive tests for Zinc, Appendix IIIA.
Assay: Not less than 99.0% of ZnO after ignition.
Alkalinity: Passes test.
Cadmium: Not more than 3 mg/kg.
Lead: Not more than 10 mg/kg.
Loss on Ignition: Not more than 1.0%.
Substances Not Precipitated by Sulfide: Not more than 0.5%.


Specifications of Zinc Oxide Analytical Reagent
ZnO
Formula Weightt 81.39
CAS Number 1314-13-2

REQUIREMENTS
Assay: minimum 99.0% ZnO

MAXIMUM ALLOWABLE
Insoluble in dilute sulfuric acid: 0.01%
Alkalinity: Passes test
Chloride (Cl): 0.001%
Nitrate (NO3): 0.003%
Sulfur compounds (as SO4): 0.01%
Calcium (Ca): 0.005%
Iron (Fe): 0.001%
Lead (Pb): 0.005%
Magnesium (Mg): 0.005%
Manganese (Mn): 5 ppm
Potassium (K): 0.01%
Sodium (Na): 0.05%

We also manufacture Micro-Encapsulated Zinc Oxide, having core of zinc oxide and coating of vegetable oil or mono and diglycerides or as desired by the buyer. Such encapsulation makes the product slow release or extended release.

SDS MSDS of Zinc Oxide BP Ph Eur EP JP USP NF IP ACS Analytical Reagent FCC Food grade Manufacturers

Crystal Clear Products and the group companies are manufacturing chemicals since several decades. We have automatic vacuum operated titanium evaporators and SS316 equipments to produce top grade of chemical products. We have toll manufacturers and representatives in China, UAE, Europe, Canada & USA and agents & customers in all countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Bangkok Thailand, Kaula Lumpur Malaysia, Dubai UAE etc. & sales representative in Chicago, Houston New York & Los Angeles, USA. Associated units are FDA-GMP certified, Halal and/or Kosher certified, REACH registered, ISO-9001, ISO-22000 HACCP certified, Crisil Rated.

Contact Micro-Encapsulated Zinc Oxide & Zinc Oxide IP BP Ph Eur EP JP USP NF ACS Analytical Reagent FCC Food Grade manufacturers exporters at:

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Crystal Clear Products
Plot No-C1-1031-9, GIDC Estate, Panoli, Ankleshwar, Gujarat - 393002. India
Telephone Mobile: 91-7506449333; e-mail: info@crystalclearproducts.org

e-mail: info@crystalclearproducts.org

Manufacturers, Suppliers of IP BP Ph Eur EP JP USP NF FCC Food, ACS Reagent GMP Grades of Chemicals like Micro-Encapsulated Zinc Oxide & Zinc Oxide