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Magnesium assay

Product Method Size Catalog Price Quantity
Magnesium assay Xylidyl Blue 3 x 100ml MG531 $171.55
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  • Format
    Liquid ready-to-use
  • Assay Range
    0.036 - 2.34mmol/l (0.088 - 2.34mg/dl)
  • Working Stability 2-8 °C
    Stable to expiry
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Intended Use

For the quantitative in vitro determination of Magnesium in serum, plasma and urine. This product is suitable for manual use and on the RX monza analyser.

Clinical Significance

Magnesium is one of the major intracellular cations in the body. Its action is closely related to that of calcium. Magnesium deficiency, hypomagnesaemia can result in various neuromuscular disorders, weakness, tremors, tetany and convulsions. It is associated with hypocalcaemia, intravenous therapy, diabetes mellitus, alcoholism, dialysis and pregnancy.

Increased serum magnesium levels are associated with dehydration, severe diabetic acidosis and Addison's Disease. Conditions that interfere with glomerular filtration as in renal failure result in retention of magnesium and hence elevation of serum levels.

Principle

Magnesium ions react with xylidyl blue in an alkaline medium to form a water soluble purple-red chelate, the colour intensity of which is proportional to the concentration of magnesium in the sample. Calcium is excluded from the reaction by complexing with EGTA.

Available Applications

RX monza