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why water, methanol, ethanol ets solvents are used in UV
SPECTRIPHOTOMETER for blank reading ?

Answers were Sorted based on User's Feedback



why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / chemdeep

usually the same solvent is used in uv for blank readings
that is used in the sample preparation.

Is This Answer Correct ?    28 Yes 6 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / rama

If your medium is given solvents, then that solvents can be
used as blank other wise that can't be.

Is This Answer Correct ?    17 Yes 4 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / padmarao

Water ,mthanol,ethanol are below UV cut off range because used as a blank

Is This Answer Correct ?    10 Yes 1 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / shiva

all samples are mostly soluble in these solvents and also
having low cost.Methanol is mainly used for blank.

Is This Answer Correct ?    4 Yes 1 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / nitesh pal

all that solvent not absorb uv light i.e not show absorbance in uv region

Is This Answer Correct ?    3 Yes 2 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / nabil

Methanol for example absorbs at wavelengths below nm, and
water below 190 nm if we use methanol-water mix as a blank
we would have to use a wavelength grater than 205 nm to
avoid false reading.

Is This Answer Correct ?    5 Yes 8 No

why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?..

Answer / radha

they do not give any reaction with sample did n't give peaks

Is This Answer Correct ?    7 Yes 15 No

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