Semi-Volatile Mix Back Catalog number: 96148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673083 Potassium sorbate, 250mg Price on request 71929 2,3-Dichloroanisole Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request