Semi VOA Extras Back Catalog number: 97380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-B Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 682821 sec-Butylbenzene, 1000mg Price on request 59488 ICP-MS Multi-Element Custom Solution Price on request