Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-0070-100AN5 L-Ascorbic acid sodium, 100µg/ml in Acetonitrile, Price on request 675105 Sodium p-n-undecylbenzenesulfonate, 10.0 µg/ml, M Price on request 73654 (-)-alpha-Bisabolol Price on request