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WorksheetsFTIR
Total questions: 10
Worksheet time: 5mins
FTIR is a non-destructive analysis.
TRUE
FALSE
In FTIR, liquid samples are mixed with nujol and sandwiched between two NaCl disc.
TRUE
FALSE
In FTIR sample preparation, solid sample are mixed with KBr and compressed at 800kPa to make a KBr disc.
TRUE
FALSE
HeNe laser in FTIR is used internally to improve wavelength accuracy.
TRUE
FALSE
PVC film is used for wavelength calibration in FTIR.
TRUE
FALSE
Dispersive Infrared Spectrometers are widely used in the pharma industry.
TRUE
FALSE
Quantitation in FTIR follows the Interferogram Law.
TRUE
FALSE
Gel or cream can be measured with FTIR using the Attenuated Total Reflectance (ATR) sample apparatus.
TRUE
FALSE
FTIR is less satisfactory quantitative tool because (>1answer)
Frequent deviation from Beers Law
Lower sensitivity
Easy to operate
Measurements are less precise
Which are the units usually shown on the x- and y-axis of a IR spectrum?
ABS & wavelength
ABS & wavenumber
Transmittance & wavelength
Transmittance & wavenumber
