• 3-year refrigerated shelf life from date of manufacture • 4-month open vial stability when stored at 2ºC 8ºC • Liquid, ready-to-use • Three levels Quantimetrix Ammonia/Alcohol Control lets you monitor the performance of ammonia and ethanol assay methods at three clinically significant levels. Our Ammonia/Alcohol Control is perfect for use with most major chemistry analyzers including: Roche Cobas, Siemens Dimension, Abbott Architect and Beckman Coulter AU Instruments. Ammonia/ Alcohol Analytes Ammonia, Ethanol