purum p.a.

Ca: ≤50 mg/kg

Cd: ≤50 mg/kg

Na: ≤100 mg/kg

Pb: ≤50 mg/kg

Zn: ≤50 mg/kg

Co: ≤50 mg/kg

Fe: ≤100 mg/kg

K: ≤100 mg/kg

Cu: ≤50 mg/kg

Ni: ≤50 mg/kg

40-200 mesh

SiO2

chloride (Cl-): ≤200 mg/kg

≤0.1% loss on ignition

acid purified

dust mask type N95 (US), Eyeshields, Gloves

3

VV7328000

1610 °C(lit.)

2.6 g/mL at 25 °C(lit.)

n20/D 1.544(lit.)