Calibration Standard Mix 4 Back Catalog number: 52013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675987 3,4-Dichloroaniline, 100 µg/ml, Toluene, 5ml Price on request TCDT-83 2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene Price on request 12487.8-K-IO Dibutyltin-d18 dichloride, 1000µg/ml in IO, 1ml Price on request