L-Histidine Back Catalog number: 72181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFUDA Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Price on request S-4055-2,5-IOX5 Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. 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 Price on request 12124.1-K-ME Iodoform,1000 µg/mL,MeOH,1mL, Price on request