WP Non-Filterable Residue Back Catalog number: 54134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12122.18-100-ME Ofloxacin,100 µg/mL,MeOH,1mL, Price on request 21056 CLP Acid & Base/Neutral Surrogate Mix Price on request 96109 Deuterated PAH Mix Price on request