L-Valine Back Catalog number: 72285 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4054-20K-XYX5 Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S Price on request XA20645000AL Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml Price on request 59364 Nitrate (NO3-) as N Price on request