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Potassium Bicarbonate Specifications of Commercial Pure & BP Ph Eur USP Analytical Reagent FCC Food Grade Manufacturers & Exporters

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Potassium Bicarbonate CAS Number 298-14-6

Potassium Bicarbonate USP Grade Specifications:
KHCO3 --- 100.12
Carbonic acid, monopotassium salt;
Monopotassium carbonate CAS 298-14-6

DEFINITION
Potassium Bicarbonate contains NLT 99.5% and NMT 101.5% of KHCO3, calculated on the dried basis.

IDENTIFICATION
A. Identification Tests - General, Potassium
B. Identification Tests - General, Bicarbonate

ASSAY
Procedure
Sample: 4 g
Analysis: Dissolve the Sample in 100 mL of water, add methyl red TS, and titrate with 1 N hydrochloric acid. Add the acid slowly, with constant stirring, until the solution becomes faintly pink. Heat the solution to boiling, cool, and continue the titration until the pink color no longer fades after boiling. Each mL of 1 N hydrochloric acid is equivalent to 100.1 mg of KHCO3.
Acceptance criteria: 99.5% to 101.5% on the dried basis.

Loss on Drying: Dry a sample over silica gel for 4 h: it loses NMT 0.3% of its weight.
Normal Carbonate:
Sample: Grind 3.0 g of Potassium Bicarbonate with 25 mL of alcohol and 5 mL of water in a porcelain mortar.
Barium chloride solution: 12.216 mg/mL of barium chloride in alcohol and water (7:3), prepared by dissolving the barium chloride in water, then diluting with alcohol to final volume
Analysis: Add 3 drops of phenolphthalein to the Sample and titrate slowly with Barium chloride solution until the suspension becomes colorless. Continue the grinding for 2 min, and if the color turns pink, continue the titration with Barium chloride solution to a colorless endpoint. Repeat the grinding for 2 min and the addition of Barium chloride solution, if necessary, until the suspension is colorless after 2 min of grinding. Each mL of the barium chloride solution is equivalent to 6.911 mg of K2CO3.
Acceptance criteria: NMT 2.5%
Packaging and Storage: Preserve in well-closed containers.

Specifications of Potassium Bicarbonate BP
Potassium, Hydrogen Carbonate, Ph Eur
KHCO3 100.1 CAS 298-14-6

DEFINITION
Content: 99.0 per cent to 101.0 per cent.

CHARACTERS
Appearance: White or almost white, crystalline powder or colourless crystals.
Solubility: Freely soluble in water, practically insoluble in ethanol (96 per cent).
When heated in the dry state or in solution, it is gradually converted to potassium carbonate.

IDENTIFICATION
A. To 5 mL of solution S (see Tests) add 0.1 mL of PhPh solution. A pale pink
colour is produced. Heat; gas is evolved and the colour becomes red.
B. It gives the reaction of carbonates and bicarbonates.
C. 1 mL of solution S gives reaction (b) of potassium.

TESTS
Solution S: Dissolve 5.0 g in 90 mL of carbon dioxide-free water prepared from distilled water and dilute to 100 mL with the same solvent.
Appearance of solution: Solution S is clear and colourless.
Carbonates: The pH of freshly prepared solution S is not greater than 8.6.
Chlorides: Maximum 150 ppm.
Sulfates: Maximum 150 ppm.
Ammonium: Maximum 20 ppm.
Calcium: Maximum 100 ppm.
Iron: Maximum 20 ppm, determined on solution S.
Sodium: Maximum 0.5 per cent.
Atomic emission spectrometry: To pass the test.
Heavy metals: Maximum 10 ppm.


Specifications of Potassium Bicarbonate FCC Food Grade

KHCO3 Formula weight 100.12
INS: 501(ii) CAS 298-14-6

DESCRIPTION
Potassium Bicarbonate occurs as colorless, transparent, monoclinic prisms or as a white, granular powder. It is stable in air. Its solutions are neutral or alkaline to PhPh. One gram dissolves in 2.8 mL of water. It is almost insoluble in alcohol.
Function: pH control; leavening agent.

REQUIREMENTS
Identification A 1:10 aqueous solution gives positive tests for Potassium and for Bicarbonate.
Assay: Not less than 99.0% and not more than 101.5% of KHCO3, calculated on the dried basis.
Carbonate: Passes test.
Lead: Not more than 2 mg/kg.
Loss on Drying: Not more than 0.25%.


Potassium Bicarbonate Analytical Reagent Grade
Potassium Hydrogen Carbonate

KHCO3
Formula Wt: 100.12
CAS Number: 298-14-6

REQUIREMENTS
Assay (dried basis): 99.7-100.5% KHCO3

MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Chloride (Cl): 0.001%
Phosphate (PO4): 5 ppm
Sulfur compounds (as SO4): 0.003%
Ammonium (NH4): 5 ppm
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm
Calcium (Ca): 0.002%
Magnesium (Mg): 0.001%
Sodium (Na): 0.03%

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

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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 Potassium Bicarbonate