carbonate (CO32-): ≤1%

chloride (Cl-): ≤500 mg/kg

sulfate (SO42-): ≤200 mg/kg

Ca: ≤500 mg/kg

K: ≤50 mg/kg

Cu: ≤5 mg/kg

Fe: ≤25 mg/kg

Na: ≤5000 mg/kg

Ba + Sr (as Ba): ≤50 mg/kg

Pb: ≤2 mg/kg

Zn: ≤5 mg/kg

≤3% loss on ignition

≤0.002% total nitrogen (N)

≤0.02% insoluble in hydrochloric acid

≥97.0%

MgO

puriss. p.a.

2852 °C(lit.)

OM3850000

Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

1