Assay (alkalimetric): ≥ 95.0 %

Insoluble matter: ≤ 0.005 %

pH-value (5 %; water, 25 °C): 4.5 - 6.0

Chloride (Cl): ≤ 0.0003 %

Nitrite (NO₂):

≤ 0.0005 %

: passes test

Phosphate (PO₄): ≤ 0.0005 %

Sulfate (SO₄): ≤ 0.002 %

Heavy metals (as Pb): ≤ 0.0005 %

Ca (Calcium): ≤ 0.003 %

Fe (Iron): ≤ 0.0002 %

Residue on ignition (as sulfate): ≤ 0.01 %

The following parameter from a double TOC determination of one batch:

Combustible matter, including organic components (as carbon) ≤ 0.2 %

(meets the specified value)