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Potassium Carbonate Anhydrous 99% AR Grade Reagent

Cas Number:584-08-7
Formula: K2CO3
Molar Mass:138.21
EC Number:209-529-3

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Model:
AR
Brand:
LABOR
Code:
217902129

Potassium Carbonate Anhydrous 99% AR Grade Reagent

Cas Number:584-08-7

Formula: K₂CO₃

Molar Mass:138.21

EC Number:209-529-3

Physicochemical properties:

White granules or powder. Odorless. It is hygroscopic. Dissolved in 1 part cold water, 0.7 parts boiling water, almost insoluble in ethanol. The aqueous solution is strongly alkaline (pH 11.6). The relative density is 2.29. The melting point is 891 ° C. Low toxicity, half lethal dose (rat, oral) 1.87g/kg. Irritating.

Usage:

Analytical reagents. High purity analysis. Emission spectrum analysis. A flux of silicate and insoluble sulfate. A water absorbing agent for organic liquids. plating. fertilizer. For photography.

Packing:

500g/25kg

Potassium Carbonate Anhydrous 99% Potassium carbonate anhydrous AR Grade Reagent

Item of Analysis	Standard
Assay,%	99.0 min
Transparency of solution	to pass test
Insoluble in water,%	0.005 max
Loss on drying,%	1.0 max
Chloride(Cl),%	0.003 max
Sulfur compounds(as SO₄),%	0.003 max
Nitrogen compounds(N),%	0.001 max
Phosphate and silicate(as SiO₂),%	0.005 max
Sodium(Na),%	0.05 max
Magnesium(Mg),%	0.002 max
Calcium(Ca),%	0.002 max
Iron(Fe),%	0.0005 max
Copper(Cu),%	0.0005 max
Lead(Pb),%	0.0005 max

Item of Analysis	Standard
Assay,%	99.0 min
Transparency of solution	to pass test
Insoluble in water,%	0.005 max
Loss on drying,%	1.0 max
Chloride(Cl),%	0.003 max
Sulfur compounds(as SO₄),%	0.003 max
Nitrogen compounds(N),%	0.001 max
Phosphate and silicate(as SiO₂),%	0.005 max
Sodium(Na),%	0.05 max
Magnesium(Mg),%	0.002 max
Calcium(Ca),%	0.002 max
Iron(Fe),%	0.0005 max
Copper(Cu),%	0.0005 max
Lead(Pb),%	0.0005 max

Symbol
Signal word	Warning
Hazard statement	H315
	H319
	H335
Precautionary statements—Prevention	P261
	P264
	P271
	P280
Precautionary statements—Response	P302+P352
	P304+P340+P312
	P305+P351+P338
	P332+P313
	P337+P313
Precautionary statements—Storage	P4003+P233
	P405
UN No.	No information

Symbol
Signal word	Warning
Hazard statement	H315
	H319
	H335
Precautionary statements—Prevention	P261
	P264
	P271
	P280
Precautionary statements—Response	P302+P352
	P304+P340+P312
	P305+P351+P338
	P332+P313
	P337+P313
Precautionary statements—Storage	P4003+P233
	P405
UN No.	No information

Potassium Carbonate Anhydrous 99% AR Grade Reagent

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