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Assay (acidimetric) ≥ 65.0 %

Chloride (Cl) ≤ 50 ppb

Phosphate (PO₄) ≤ 10 ppb

Sulphate (SO₄) ≤ 200 ppb

Ag (Silver) ≤ 0.5 ppb

Al (Aluminium) ≤ 5.0 ppb

As (Arsenic) ≤ 0.5 ppb

Au (Gold) ≤ 0.1 ppb

Ba (Barium) ≤ 0.5 ppb

Be (Beryllium) ≤ 0.5 ppb

Bi (Bismuth) ≤ 0.5 ppb

Ca (Calcium) ≤ 2.0 ppb

Cd (Cadmium) ≤ 0.5 ppb

Co (Cobalt) ≤ 0.5 ppb

Cr (Chromium) ≤ 1.0 ppb

Cu (Copper) ≤ 0.5 ppb

Fe (Iron) ≤ 2.0 ppb

Ga (Gallium) ≤ 0.1 ppb

Ge (Germanium) ≤ 0.1 ppb

Hg (Mercury) ≤ 1.0 ppb

In (Indium) ≤ 0.5 ppb

K (Potassium) ≤ 2.0 ppb

Li (Lithium) ≤ 0.5 ppb

Mg (Magnesium) ≤ 1.0 ppb

Mn (Manganese) ≤ 0.5 ppb

Mo (Molybdenum) ≤ 0.5 ppb

Na (Sodium) ≤ 10.0 ppb

Ni (Nickel) ≤ 5.0 ppb

Pb (Lead) ≤ 2.0 ppb

Pt (Platinum) ≤ 0.5 ppb

Sb (Antimony) ≤ 0.5 ppb

Sn (Tin) ≤ 0.5 ppb

Sr (Strontium) ≤ 0.5 ppb

Ti (Titanium) ≤ 1.0 ppb

Tl (Thallium) ≤ 0.5 ppb

V (Vanadium) ≤ 0.5 ppb

Zn (Zinc) ≤ 2.0 ppb

Zr (Zirconium) ≤ 1.0 ppb

Residue on ignition (as sulphate) ≤ 2 ppm

Actual analysis values are subject to unavoidable systematic variations in this concentration range

The actual values are subject to unavoidable systematic

variations in this concentration range.