Calibration Standard Mix 4 Back Catalog number: 52013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679038 13C2-Tenuazonic acid mixture of diastereomers, 100 Price on request 59103 Chloride (Cl-) Price on request S088127 Salicylic Acid-d4, 5mg Price on request