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Why we are using only KBr in IR spectrometer why not KCl
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Answer / ramkrishna thakare
KBr shows Absorbance in 2.4 -16 MICROMETER of IR REGION.
While other compound shows Transmittance in 2.4 -16
MICROMETER of IR REGION. & hence resolution is not achieved .
& for the purpose of resolution & background correction KBr
is the best option.
Ramkrishna thakare -------sandoz
| Is This Answer Correct ? | 17 Yes | 1 No |
KBR can not absorbance in IR region. and it is a primary standard.
KBR does not catch the moisture easy better than KCL
KBR STABLE also
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / ravi.a
KBr could not have any absorbance in IR range,but Kcl have
absorbance and itis easily miscible with other samples for
analysis it is cheep and best available in market
| Is This Answer Correct ? | 7 Yes | 3 No |
KBr is optically transparent over the range of wavelengths
in the wavelength range of IR analysis. This means KBr does
not have any absorbance in IR region.
| Is This Answer Correct ? | 5 Yes | 1 No |
Answer / manoj patel
KBr gives better resolution than KCL...
KBr could not have any absorbance in IR range
Kbr coild not interference with other compounds in IR Range.
| Is This Answer Correct ? | 4 Yes | 1 No |
Actuly alkli halide are used for this perpose..because they
are inert and could not have any absorbance in IR range..so
we can use kcl instead of kBr...
| Is This Answer Correct ? | 11 Yes | 11 No |
Answer / parag parekh
we can use both kbr & kcl because they could not have any
absorbance in the ir region.
mostly for the compound having cloride group the kcl is
better option than kbr.
| Is This Answer Correct ? | 9 Yes | 15 No |
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Organic Chemistry 
