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Sodium assay

Product Method Size Catalog Price Quantity
Sodium assay Enzymatic R1 3 x 20ml, R2 3 x 9ml NA3851 $484.64
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  • Format
  • Assay Range
    37.3 - 187.8mmol/l
  • Working Stability 15-25 °C
    2 weeks
  • Working Stability 2-8 °C
    4 weeks
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Intended Use

For the quantitative in vitro determination of Sodium in serum and plasma. This product is suitable for use on the RX series instruments which includes the RX daytona and RX imola.

Clinical Significance

Sodium measurements are used in the diagnosis and treatment of aldosteronism, diabetes insipidus, adrenal hyper-tension, Addison’s disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.


Sodium is determined enzymatically via sodium dependent β- galactosidase activity with ONPG as substrate. The absorbance at 405 nm of the product O-nitrophenyl is proportional to the sodium concentration.

Available Applications

RX series instruments, including:

RX daytona

RX imola