Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml

3-Chlorothiophene in isooctane Units: 5x1mL ampoules

p-Quaterphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 135-70-6

Custom selection of EPA 1614 PDBEs 1961.12 2,4,4’-Tribromodiphenyl ether PBDE-28 [41318-75-6] 20ng/mL 1962.12 2,2’,4,4’-Tetrabromodiphenyl ether PBDE-47 [5436-43-1] 70ng/mL 1967.12 2,2’,4,4’,5-Pentabromodiphenyl ether PBDE-99 [60348-60-9] 100ng/m