D4-Acetylsalicylic acid, 100 µg/ml, Acetonitrile,

4-Phenylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1821-12-1

5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

Phthalate Esters in Sludge Matrixes by GC-ECD 16 Analytes, each 1000µg/mL in isooctane; units: 5x1mL, 1x5mL 2095.20 Bis(2-n-butoxyethyl) phthalate [117-83-9], (purity 86%) 2096.20 Bis(2-ethoxyethyl) phthalate [605-54-9] 1224.24 Bis(2-ethylhexyl) ph