Calibration Standard Mix 2 Back Catalog number: 52011A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72193 L-Leucine Price on request 681587 13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml Price on request 679041 TEPA, 100 µg/ml, Methanol, 1ml Price on request