4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks 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 12195.17-100G Aflatoxins in corn, low level,Please enquire,corn,100g, Price on request 72502 Bromomethyl methyl ether Price on request