Dropper Urine Chemistry ControlUse Dropper Urine Chemistry Control to monitor the performance of routine and stat urine chemistry assay methods. Drop the control directly into the instrument sample cup. The easy-to-use dropper bottle provides simple dispensing and maximum use. Dropper Urine Chemistry Control is designed for use with most major chemistry analyzers including: Siemens Advia, Beckman Coulter AU Series, Siemens Dimension, Beckman Coulter Synchron, Ortho Vitros, Abbott Architect and Roche Modular, as well as for the Pyrogallol Red microprotein method and osmolality (freezing point method).