CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 20006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ME 20150 Aqueous Ethanol Standard (1,5g/l), 10 x 1,1ml Price on request 2539.8-100MG 4-Hydroxyisophthalic acid (4-Hydroxybenzene-1,3-dicarboxylic acid), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 636-46-4 Price on request 673551 Dieldrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request