True or false? A narrow band pass spectrophotometer produces more sensitive measurement and is less affected by wavelength calibration error than a wider band pass spectrophotometer. O True O Fale
True or false? A narrow band pass spectrophotometer produces more sensitive measurement and is less affected by wavelength calibration error than a wider band pass spectrophotometer. O True O Fale
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Transcribed Image Text:QUESTION E
True or falset A narrow band pass spectrophotometer produces more sensitive measurement and is less affected by wavelength calibration error than a wider band pass spectrophotometer.
O True
O False
QUESTION
In a spectrophotometric determination, which one of the following is the formula for calculating the absorbance of a solutiont
O (Absorptivity concentration) / light path in cm
O (Absorptivity = light path in cm) / concentration
O Absorptivity light path in cm concentration
O (Light path in cm concentration)/absorptivity
QUESTION 10
Which of the following statements is TRUET
O Partition chromatography is most appropriate to identitying analytes that may be distrituted between two liquid phases
O Steric endusion chromatography is best suited for separating analytes based on their solubility in the mobile solvent.
Oin liquid-solid chromatography, the stationary phase separates analytes based on size, shape, and polarity
O lon eschange chromatography has a resin phase that is soluble to water and separation of the misture is based on magnitude and charge of ionic species
O The partition coefficient is measured and compared to standards in thin-layer chromatography.
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