Multielement standard solution 4 for ICP, 100ml

Phosphate (PO4-3) as P, 1000µg/ml in Water, 500ml

Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml

Mercury Standard, 1000µg/g in 75 cSt Base oil, 50g