Potassium hydroxide, pellets EMPROVE® ESSENTIAL Ph Eur,BP,JP,NF,FCC,E 525, 1050321000

Description

Analysis Note

Assay (acidimetric, KOH): ≥ 85.0 %
Assay (total alkalinity calc. as KOH): 85.0 - 100.5 %
Assay (K): ≥ 59.9 %
Identity: passes test
Appearance of solution: passes test
Insoluble substances: passes test
Carbonate (as K₂CO₃): ≤ 2.0 %
Chloride (Cl): ≤ 0.008 %
Phosphate (PO₄): ≤ 0.002 %
Silicate (SiO₂): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
As (Arsenic): ≤ 0.0003 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
Hg (Mercury): ≤ 0.00001 %
Na (Sodium): ≤ 1.0 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0025 %
Residual solvents(Ph Eur/USP/ICH): excluded by manufacturing process
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).
Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Conforms to Ph Eur, BP, JP, NF, FCC, E525
Conforms to the purity criteria on food additives according to the current European Commission Regulation.