February 2024—Verichem Laboratories now offers its Tru-Zero Bilirubin Standard as part of the company’s line of liquid-stable and protein-based total and direct bilirubin clinical reference materials. The standard is intended to be treated as a patient specimen and features universal instrument compatibility. The concentration level for the total and direct bilirubin assays is 0.0 mg/dL. The product has an open-vial stability claim of five days and a shelf life of 14 months when stored at 2° to 8°C.
Also available are the Urine Chemistry Standard kit, Matrix Plus Chemistry Reference kit, and a standalone, ultra-high Matrix Plus Chemistry Reference level F for the calibration verification testing of urine and serum magnesium assays.
The urine chemistry kit is a five-level kit with magnesium concentrations ranging from 1.0 to 11.0 mg/dL. Shelf life and open-vial stability are 24 months. The five-level Matrix Plus chemistry reference, along with the level F, features a magnesium range from 0.8 to 9.7 mg/dL. The materials are intended to be treated as patient specimens; shelf life and open-vial stability are 21 months from the manufacturing date.
Verichem Laboratories, 800-552-5859