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1.05545

Supelco

Potassium hydroxide solution

47%, for analysis EMSURE®

Synonym(s):

KOH Solution 47%

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About This Item

UNSPSC Code:
12352305
NACRES:
NA.21

product name

Potassium hydroxide solution 47%, for analysis EMSURE®

Quality Level

product line

EMSURE®

form

liquid

concentration

46.0-48.0% KOH

impurities

≤0.0001% As (Arsenic)
≤0.0003% Total nitrogen (N)
≤0.0005% Ca (Calcium)
≤0.0005% Cu (Copper)
≤0.0005% Fe (Iron)
≤0.0005% Heavy metals (as Pb)
≤0.0005% Mg (Magnesium)
≤0.0005% Ni (Nickel)
≤0.0005% Pb (Lead)
≤0.0005% Phosphate (PO4)
≤0.0005% Zn (Zinc)
≤0.001% Al (Aluminium)
≤0.002% Sulfate (SO4)
≤0.004% Chloride (Cl)
≤1.0% Carbonate (as K2CO3)

pH

>13.5 (20 °C in H2O)

storage temp.

2-30°C

Analysis Note

Assay (acidimetric): 46.0 - 48.0 %
Carbonate (as K₂CO₃): ≤ 1.0 %
Chloride (Cl): ≤ 0.004 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.0005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Ni (Nickel): ≤ 0.0005 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.0005 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1


Certificates of Analysis (COA)

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