IP 391-95 Calibration Level 1

3-Epi-25-Hydroxyvitamin D3, 50μg/ml, 1ml

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Chlorthiamid, 100 µg/ml, Ethyl acetate, 1ml