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CH304 > Chromatography Detectors > Flashcards

Chromatography Detectors Flashcards

1
Q

Which HPLC detectors are selective?

A 
UV >/= 210nm 
electrochemical
fluorescence 
nitrogen chemiluminescence 
conductivity
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2
Q

Which HPLC detectors are universal?

A

UV < 210 nm
reflective index
evaporative light scattering
charged aerosol

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3
Q

What are the GC detectors that are universal?

A

mass spectrometer
vacuum UV absorbance
atomic emission

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4
Q

What are the GC detectors that are selective?

A 
electron capture 
nitrogen-phosphorous
flame photometer
photoionization
sulfur chemiluminescence 
nitrogen chemiluminescence
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5
Q

What is electron capture selective for?

A

halogens, conjugated c=o, C=N, -NO2

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6
Q

What is nitrogen-phosphorous selective for?

A

phosphorous and nitrogen

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7
Q

what is flame photometer selective for?

A

individual selected elements (P,S,Sn)

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8
Q

what is photoionization selective for?

A

aromatics, unsaturated, compounds

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9
Q

what is sulfur chemiluminescence selective for?

A

sulfur

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10
Q

what is nitrogen chemiluminescence selective for?

A

nitrogen

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CH304 (9 decks)

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