why should we do limit of stray light in UV calibration and
why should use potassium chloride

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why should we do limit of stray light in UV calibration and why should use potassium chloride..

Answer / pankaj singh

potassium chloride is neutral for uv region so transmittance
should not be less than 100%
abs = -log10 %T
when %T is 100 means 10 power 2
means abs not less than 2

Is This Answer Correct ?    31 Yes 10 No

why should we do limit of stray light in UV calibration and why should use potassium chloride..

Answer / kiran pokharkar

Stray light is nothing a beam of light which does not pass
through sample.
Interference of this light is not detrible as they give
wrong results.
It is calibrated by using 1.2%w/v potassium chloride
solution in water.

Is This Answer Correct ?    6 Yes 10 No

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