ICP Calibration Mix

17alpha-Ethynylestradiol-2,4,16,16-d4,neat,neat,10mg,

4-Bromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

2,3,8-Trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene