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LCMS EXAM 2024 QUESTIONS & ANSWERS SOLVED 100% CORRECT!!
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LCMS EXAM 2024 QUESTIONS & ANSWERS SOLVED 100% CORRECT!!
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LCMS EXAM 2024QUESTIONS &
ANSWERS SOLVED
100% CORRECT!!
LCMS
Evatee 10/9/24 LCMS
, LCMS EXAM 2024 QUESTIONS & ANSWERS
SOLVED 100% CORRECT!!
What is HPLC used for? Answer - hydrophilic & nonvolatile components in
mixtures
What is HPLC? Answer - uses high pressure to force eluent through a column
packed with small particles that provide separations of pg to ug of analytes.
What are advantages of HPLC? Answer - high accuracy
high sensitivity
automated systems from sample prep to report generation
high speed
high resolution
can do prep work
What are disadvantages of HPLC? Answer - expensive instrumentation
experience required
no universal detector yet -> UV-vis, fluorescence, refractive index?
needs extra technique for confirmation of identity
expensive supplies
What are typical nonvolatile compounds? Answer - pharmaceuticals such as
aspirin, ibuprofen
proteins such as egg white or blood protein
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