4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol Back Catalog number: BPF Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 96995 VPH Calibration Standard - Draft 01-2012 Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 3773.6-K-IO 2,6-Dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 108-50-9 Price on request