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Potassium Chloride 99.5% AR Grade Reagent

Cas Number:7447-40-7
Formula: KCl
Molar Mass:74.55
EC Number:231-211-8

Quantity:
  • AR
  • LABOR
  • 218002129

Potassium Chloride 99.5% AR Grade Reagent


Cas Number:7447-40-7

Formula: KCl

Molar Mass:74.55

EC Number:231-211-8


Physicochemical properties:

White crystalline or crystalline powder with bitter taste. It is hygroscopic. 1 g is dissolved in 2.8 ml of water, 1.8 ml of boiling water, 14 ml of glycerin, about 250 ml of ethanol, and is insoluble in ether, acetone and hydrochloric acid. Sodium and magnesium chlorides reduce their solubility in water. The saturated aqueous solution at 15 ° C has a relative density of 1.172 and a pH of about 7. The relative density is 1.98. The melting point is 770 ° C. The boiling point is 1500 ° C (partial sublimation). Irritating.


Usage:

Buffer solution. Platinum is determined by spot analysis. Benchmark the calibration of silver nitrate standard solutions. High purity analysis. Emission spectrum analysis. Spectrum analysis. Made the medium. Pharmaceutical. Photosensitive material.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.5 min

pH(50g/L,25℃)

5.0~8.0

Transparency of solution

3 max

Insoluble in water,%

0.005 max

Iodide(I),%

0.002 max

Bromide(Br),%

0.02 max

Sulfate(SO4),%

0.002 max

Phosphate(PO4),%

0.0005 max

Nitrogen compounds(N),%

0.001 max

Sodium(Na),%

0.02 max

Magnesium(Mg),%

0.001 max

Calcium(Ca),%

0.003 max

Iron(Fe),%

0.0003 max

Barium(Ba),%

0.001 max

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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