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Magnesium XB LS (4×60ml) 240T
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949.32 جنيه
Magnesium ion forms a purple compound when it is complex with Xylidyl Blue in an alkaline solution. In the presence of EGTA which subtracts the calcium antagonist ions, the reaction is very specific. The intensity of the produced color, measured against a calibrator at 510 nm, is directly proportional to the magnesium concentration in the sample.
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