Cr, 1000 µg/mL in 5% HNO3, 100ml

FE1436 Zirconium ICP 10mg/L ,100LPF

Method 200.8/1638/1640 Internal Standard, 10µg/ml in 2%-HNO3, 4x25ml

FE1025 Hafnium ICP 1g/L ,100LPF