Germanium Sesquioxide
CAS: 12758-40-6
Molecular formula: C6H10Ge2O7
Description: White or almost white crystalline powder
Assay: 99.95%
pH: 2.4-2.6
Arsenic As: ≤0.5
Lead Pb: ≤0.5
Cadmium Cd: ≤0.1
Mercury Hg: mg/kg ≤0.1
Total bacterial count: g1 ≤100
Coli group: g1 ≤30
Residue after ignition: < 0.5%
Solubility in water: 2 0g/L Approx
Loss on drying: 0.5% Max