ICP-MS Calibration Standard

alpha alpha alpha (24R)-4 alpha-Methyl-24-ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53596-90-0

2,5,6-Trifluoropyridine-3-carboxylic acid,neat,neat,1g,

Ethylmethyl sulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 624-89-5