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What must be done when measuring hemoglobin concentrations?

User Elad Benda
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Answer:add both potassium cyanide and ferricyanide

Explanation:This is done by adding both potassium cyanide and ferricyanide whose absorbance is then measured at 540 nm using a photoelectric colorimeter against a standard quality control solution. The Hb concentration is then determined by the result produced by the photoelectric colorimeter.

User Coinhndp
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