Phthalic acid, bis-iso-nonyl ester (tech.), certified, 0.25g Back Catalog number: C16173600 Availability: In the manufacturer's stock Price on request - + Recommended L429-IS Method 429 Internal Standard Stock Solution, 1.2ml, isooctane Price on request 59222 Total Organic Carbon (C) Price on request 55197 Low Level Bromate PT Price on request