Dissociate acid (HF)

≤0.7%

Iron (Fe)

≤0.05%

Aluminum (AI)

≤0.02%

Arsenic (As)

≤0.005%

Copper (Cu)

≤0.005%

Nickel (Ni)

≤0.005%

Chromium (Cr)

≤0.005%

Heavy metals (Pb)

≤0.005%

Chloride (Cl)

≤0.02%

Calcium (Ca)

≤0.01%

Sulfate (SO₄)

≤0.01%

Natrium (Na)

≤0.05%

Magnesium (Mg)

≤0.01%

Potassium(K)

≤0.05%

Phosphate (PO₄)

≤0.005%