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In the test for control of absorbance in UV calibration why
do we use only potassium dichromate and what is purpose of
taking a specified amount of 57.0-63.0mg?
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Answer Posted / srinathsagar
UV range is 190-400nm so in this range potassium dichromate with sulfuric acid gives characteristic peaks(At 235,257,313 and 350nm)
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