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Potasyum Carbonat

Potasyum Carbonat

Product Titles:Potasyum Carbonat, Product Description CAS No.:584-08-7 Appearance: White Crystalline Powder EINECS No.:209-529-3 MF:K2CO3 Purity:99%min Model Number:99% min Whiteness:96% Min Melting point:1069℃ Mocular weight:138.2066 HS Code: 29163100 PH:11.6 Certificate:ISO & SGS Grade Standard:Agriculture Grade, Electron Grade, Food Grade, Industrial Grade, Medicine Grade Package:potassium carbonate agricultural grade in PP bag lined with PE film, PP bag or customized. 25/50/500/800/900/1000kgs net weight.

Product details

Product Titles:Potasyum Carbonat

Product Description

CAS No.:584-08-7

Appearance: White Crystalline Powder

EINECS No.:209-529-3

MF:K2CO3

Purity:99%min

Model Number:99% min

Whiteness:96% Min

Melting point:1069℃

Mocular weight:138.2066

HS Code: 29163100

PH:11.6

Certificate:ISO & SGS

Grade Standard:Agriculture Grade, Electron Grade, Food Grade, Industrial Grade, Medicine Grade

Package:potassium carbonate agricultural grade in PP bag lined with PE film, PP bag or customized. 25/50/500/800/900/1000kgs net weight.

 

 

Product Specification:

Industrial Grade ( GB/T 1587-2000 )

Inspection Item

Unit

Fine Grade

TV Glass Grade

First Grade

Regular Grade

Purity(as K2CO3)

% Min

99

99

98.5

96

Chloride(as KCl)

% Max

0.01

0.03

0.1

0.2

Sulphate(as   K2SO4)

% Max

0.01

0.04

0.1

0.15

Iron

% Max

0.001

0.001

0.003

0.01

nsoluble matter   in water

% Max

0.02

0.04

0.05

0.1

Fe

% Max

0.0005

0.0002

0.001

0.003

Burnt loss

% Max

0.6

0.8

1

1

 

 

Food Grade (HG2452-93)

Inspection Item

Unit

Standard

Purity(as K2CO3)

% Min

99

Chloride(as KCl   )

% Max

0.01

Sulphate (as   K2SO4)

% Max

0.01

Iron

% Max

0.001

Insoluble matter   in water

% Max

0.02

Burnt loss

% Max

0.6

Arsenic

% Max

0.0003

Heavy Metal(as   Pb)

% Max

0.002







Specification

GB 25588-2010

FCC VII

Content   (K2CO3), w/%          

≥99.0

99.0-100.5

Arsenic (as   As) ,mg/kg       ≤

2

----

Sulfur   compound(K2SO4),w/%   ≤

0.01

----

Iron(Fe),w/%                ≤

0.001

----

Pb,mg/kg                  ≤

----

2

Heavy   Metals(As Pb),mg/kg   ≤

10

----

Insoluble   Substances,w/%     ≤

0.02

Pass   the Test

Chlorides(KCl),w/%            ≤

0.015

----

Loss   on Ignition,w/%          ≤

0.6

1.00(180ºC,4h)

 

 

Properties:

 

It is easily soluble in water forming a slightly alkaline solution. It is insoluble in alcohol and ether. It has strong hygroscopicity. It easily cakes and turns into Potassium Bicarbonate through absorbing carbon dioxide when exposed to the air for a long time.

 

1.Potassium Carbonate is soluble in water and insoluble in ethanol.

2.Potassium Carbonate is a white salt at room temperature often appears as a wet solid.

3.Potash forms strongly alkaline solution with the water.

4.Vigorous reaction can occur when potassium Karbonate is added to water. Dissociation of potassium Carbonate in the water solution is an exothermic reaction.

5.The vapour pressure of the potassium carbonate is very low.

6.Potassium Carbonate decomposes at a high temperature.

7.Potassium Carbonate is a hygroscopic substance and therefore solid potassium Karbonate slowly absorbs water from the air.

 

  

Potassium Carbonate Applications:

Potassium Carbonate not only used as acidulant ,but raw materials in manufacturing electro tube, TV kinescope, computer display.

1.It is applied in optical glass improving clarity, strength and refractive index.

2.It is also applied in electrode avoiding electric arc breaking-off during welding.

3. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc.

4.Potassium Carbonate is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing.

5.It is absorbent removing hydrogen sulfide and carbon dioxide; dry powder extinguisher mixed with soda; auxiliary raw material for producing alcohol and acetone; and anti-aging agent in rubber production.

6. Its solution is used in boiling and scouring of cotton cloth and wool's degreasing.

7.it is also used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, tanning, ceramic, building materials, crystals and medicine.

 

 

Character

It is anhydrous or contains 1.5 hydrates. Anhydrous form occurs as white, granular powder and hydrated form occurs as white, translucent crystal or granule.

 It's odorless and smells alkali. I air, it's very deliquescent.

 It's freely soluble in water and aqueous solution is alkaline. It's insoluble in ethanol or ether.

 

Usage

1.It is used as pH regulator, nutrient, processing aid and spice. When added into noodle and wonton processing properly, it could endow the product with unique flavor, color and resilience.

 

2.It is white power, small granular crystallization, was dissolves in water absolutely, and generates alkaline solution. Potassium Carbonate has improvement of plant photosynthesis and improve soil structure and provide nutrients, widely used in agriculture area. Also used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also applied in electrode avoiding electric arc breaking-off during welding.

 

 

 

 

Preparation and function  of Potassium carbonate

Potassium carbonate is commercially prepared by the electrolysis of Potassium chloride. The resulting Potassium hydroxide is then carbonated using carbon dioxide to form, Potassium carbonate, which is used to produce Potassium compounds.   2KOH + CO2 → K2CO3 + H2O

 

1.Drying Agent

Potassium carbonate is used as a drying agent in the laboratory for ketones, alcohol and amine. Potassium bicarbonate cannot be used as drying agent for highly acidic compound.

 

2.Glass Industry

Potassium carbonate is used in the manufacture of specialty glasses, such as optical lenses, television screens and cathode ray tubes. Potash is also used in the pottery industry for glazing pots.

 

3.Food Industry

Potassium Carbonate is used as a food additive in the production of grass jelly. It is used to tenderize tripe. German gingerbread recipes often use potassium carbonate as a baking agent. It is also used as a buffering agent in the production of mead or wine.

Fire extinguisher ingredient

 

Potassium carbonate is an efficient fire extinguishing agent for class B and class C type fire extinguishing agent. It can act as a scavenger of acidic fire ingredient by-products. Potassium carbonate is used as a dry powder fire extinguisher.

 

4.Fertilizer Industry

Potassium carbonate is used in the production of fertilizer industry for the manufacture of Potash. About 95% of Potash is used in the fertilizer industry. Potash is utilized in the fertilizer industry due to its advantages such as a taste enhancer to the fruits & vegetables, better restiveness power against diseases, better reservation of power, protection from drought & climatic conditions and to get stronger stems and roots. Potassium carbonate is used as an effective fertilizer for stabilizing pH of the soil and reduces the acidity of soil.

 

5.Chemical Industry

It is utilized in the manufacture of soap products. Soap with sodium carbonate is less mild than the commercial usage soaps. Potassium carbonate is used in the preparation of electrolyte for oxyhydrogen production. Potassium carbonate is also used in the water treatment industry for softening of hard water.

 

6.Pharmaceutical Industry

Potassium carbonate is used for stability in neurons to maintain equilibrium. In the pharmaceutical industry, Potassium carbonate is used as an antacid, electrolyte replinisher, excipient, leavening agent and pH control agent for medical formulations.

 

7.Potassium carbonate is used in the polymerization of synthetic fibers and dehydrogenation of olefins. It is used as a detergent builder in detergents and also in cosmetics products. Potassium carbonate can also act as a high temperature polymer blowing agent.

 


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