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Magnesium


(Assays)

Catalog #: MAG480

METHOD

Xylidyl Blue, Endpoint

TECHNICAL INFORMATION

Format: Liquid
Wavelength: 546 nm
Linearity: 4.86 mg/dL
Expected Values: Adults: 1.6 – 3.0 mg/dl
Storage Temperature: RT
Reconstituted Stability: Ready to use liquid
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Intended Use

For the quantitative determination of magnesium in serum using the Mindray BS-480 analyzer. For in vitro diagnostic use only.

Principle

Serum magnesium ions react with Xylidyl Blue in an alkaline solution to produce a red complex that is measured spectrophotometrically. The intensity of color produced is directly proportional to magnesium concentration. Calcium interference is virtually eliminated by use of EGTA and a surfactant system is included to remove protein interference.