WS Organonitrogen Pesticides Back Catalog number: 38129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4053-2.5K-10T Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request 677532 Benz[a]anthracene, 20mg Price on request 679660 2,3,4,6-Tetrachlorophenol, 10.0 µg/ml, Cyclohexan Price on request