laboratory diagnostic - PT EQA samples - urine - Urine Chemistry Control, Bilevel for chemistry analyzers, liquid stable, 2x10ml, vial, unlabeled, 19 analytes: Amylase, Calcium, Chloride, Cortisol, Creatinine, hCG, Glucose, Magnesium, Microalbumin (Urine Albumin), Microalbumin (Creatinine Ratio), Osmolality, pH, Phosphorus, Potassium, Protein Total, Sodium, Specific Gravity, Urea, Uric Acid, for the followinf instruents: Atomic Absorption, Beckman Coulter AU systems, Beckman Coulter Syncron LX/DxC, Access, Roche Cobas c Series, Roche Cobas Integra Systems, pH Meter, Siemens Immulite Advia series, Siemens Dimension Series, Rapid test (only for hCG), Vapor Pressure Osmometer (only for Osmolality), , code L58EQ1033, todylaboratories®