Acids calibration check standard

4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

FE1019 Erbium ICP 1g/L ,100LPF

1,1,2-Trimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 7094-26-0