2,8-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Custom Mix, deuterated pharmaceuticals Each 10µg/mL in methanol 9321.14 Diclofenac-d4 9318.10 Clofibic acid-d4 9320.15 Carbamazepin-d10 3851.13 Ibuprofen-d3 9346.11 Phenanzon-d3 8927.72 Iopamidol-d3

Alkylated phenol mixture 1 8 Analytes, each concentration as listet in acetone; unit: 1x5mL 1358.7 p-Cresol [106-44-5] 33.80mg/mL 1364.8 3-Ethylphenol [620-17-7] 6.54mg/mL 1360.8 3