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WHY POTASSIUM DICROMATE USING IN UV CALIBRATION



WHY POTASSIUM DICROMATE USING IN UV CALIBRATION..

Answer / raj rana

Because it give sharp peak in UV range of 200 to 400 nm .ie 215,257,313,350.
And because of it photochemical stability on prolonged exposer to UV light it
absorbance own not changed.ani it is highly colour producing agent .

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