Detector Performance Standard Back Catalog number: 91435 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8624.44-10MG Nickel meso-tetraphenylporphyrine, , Solvent-, Unit , # of units-, Cas.no. Price on request 8904.6-K-W Nicotinic acid, 1000µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 59-67-6 Price on request 79163 2,4-Dichloroanisole Price on request