G - Physics – 01 – N
Patent
G - Physics
01
N
324/23, 150/3
G01N 27/333 (2006.01) G01N 27/416 (2006.01) G01N 33/50 (2006.01) G01N 33/84 (2006.01)
Patent
CA 2038603
HEAVY METAL-FREE BUFFER FOR ION SELECTIVE ELECTRODE-BASED ASSAYS Abstract of the Disclosure A heavy metal-free composition and its method of use in an ion selective electrode-based assay are disclosed. The heavy metal-free composition includes a borate compound and an alkalinity adjusting compound, and is used to dilute a test sample; buffer the test sample; and substantially reduce the affects of interferents present in the test sample on the ion selective electrode-based assay. The heavy metal-free composition and its method of use are especially useful in an ion selective electrode-based assay for carbonate ion concentration in a test sample, like blood serum, blood plasma, urine or cerebrospinal fluid.
Macrae & Co.
Scott William J.
Technicon Instruments Corporation
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