QC Standard 2 Back Catalog number: 52085A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2911.17-100-ME Sodium p-n-undecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request 59573 Anions Mix #1 Price on request 675268 Fenpropathrin, 250mg Price on request