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Why in some cases nujol technique is used In IR spectroscopy and in some other cases rest of techniques Is there any specific reason which technique to use and when?
The Nujol technique is used in IR spectroscopy when analyzing samples that are solids or semi-solids. This technique involves mixing the sample with Nujol, a heavy oil, to create a mull which allows for better interaction with infrared radiation. Other techniques, such as ATR (Attenuated Total Reflection) or transmission, are often used for liquid or gas samples as they provide different advantages in terms of sensitivity and ease of use based on the physical form of the sample. The choice of technique therefore depends on the nature of the sample being analyzed.
Why is nujol used?
to provide a protective layer or coating for the sample if the sample is a reactive sample. forming a protective layer or coating would prevent decomposition of the sample during the IR reading process.
Why the mull technique is used in IR Spectroscopy?
Mull technique is the only technique which can be used for Ethacrynic acid. silicon oil is used to grind sample and in it. irt is placed on sodiun cells and cells are overlapped and kept in holder in FTIR apparatus.
Why in some cases nujol technique is used In IR spectroscopy and in some other cases rest of techniques Is there any specific reason which technique to use and when?
The Nujol technique is used in IR spectroscopy when analyzing samples that are solids or semi-solids. This technique involves mixing the sample with Nujol, a heavy oil, to create a mull which allows for better interaction with infrared radiation. Other techniques, such as ATR (Attenuated Total Reflection) or transmission, are often used for liquid or gas samples as they provide different advantages in terms of sensitivity and ease of use based on the physical form of the sample. The choice of technique therefore depends on the nature of the sample being analyzed.
Why is nujol used?
to provide a protective layer or coating for the sample if the sample is a reactive sample. forming a protective layer or coating would prevent decomposition of the sample during the IR reading process.
Why the mull technique is used in IR Spectroscopy?
Mull technique is the only technique which can be used for Ethacrynic acid. silicon oil is used to grind sample and in it. irt is placed on sodiun cells and cells are overlapped and kept in holder in FTIR apparatus.
How much is a nujol old vintage bottle worth?
18$
Why Raman spectroscopy is prefered than other techniques?
Raman is used a lot as it is not sensitive to atmospheric water and CO2 usually won't stand out on the spectra. Its also useful in most settings as there is no sample prep needed, which is quite a difference to somthing like IR spectra which need nujol mulls or KBr plates. In comparison to IR the bands of the spectra are usually smaller and sampling is non-destructive. In an industrial setting raman can be used with fiber optic cables to remotely monitor reactions and product formation.
