Why 1.2% KCl is used for limit of stray light? and why
limit of stray light is required in UV calibration?
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Answer Posted / s dinesh
1.Stray light means the rays of light other than intended use.These make hindrance in the path of mono-chromatic light of use i.E.Why it is calculated. Its value must be greater than 2.0 at about 200nm.
2. 1.2 % soln is the conc of KCl which is capable restricting the undesired Radiations.
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