Citric acid [1% wt] Back Catalog number: 92268 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4054-40K-10XY 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 10283.18-100-IO 4-n-Octylphenol-d4 diethoxylate Price on request 66149 2,2',3,4',5',6-Hexachlorobiphenyl (149) Price on request