ICP-MS Calibration Standard 1

Sodium bis-[2-(N-ethylperfluorooctane-1-sulfonamido)ethyl] phosphate, 1.2ml x 50ug/ml, methanol

3-Chloroaniline, 100 µg/ml, Methanol, 5ml

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4