Potassium (K) Back Catalog number: 57219 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4053-30K-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 2196.11-100-ME 1-Methyl-5-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91137-27-8 Price on request S-4689-10-IOX10 Custom PBDE Mixture, 10ug/mL, 5 comonents 1961. PBDE 28 1967. PBDE-99 1968. PBDE-100 1971. PBDE-153 1972. PBDE-154 Price on request