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WorksheetsInstrumental Analysis
Total questions: 10
Worksheet time: 8mins
Which of the following is the atomic emission spectroscopy methods?
Graphite Furnace Atomic Emission Spectroscopy
Inductively Couple Plasma- Optical Emission Spectroscopy
Flame Atomic Emission Spectroscopy
Hydride Generation Atomic Emission Spectroscopy
Flame photometer is quite similar to UV-Visible but what is the major difference between these 2 methods?
Detector
Source of light
Monochomator
Data processor
What is plasma?
Plasma is made up of stream of highly ionised gas that contain the ____ and _____
(a)
In the ICP-OES, why plasma with highly temperature system is used?
to desolvate the sample solution
to condense the sample molecule
to vaporize the sample
to atomize the sample molecule
to ionize the atoms
What is the disadvantage of ICP-OES over flame photometer?
Require large volume of sample
Has lower detection limit
Require high degree operator skill
The analysis is long
Which components are consisting in the ICP-OES sample introduction system?
Nebulizer
Spectrometer
Photomulti tube PMT
Spray chamber
What is the main component int the ICP-MS that cannot be found in ICP-OES?
(a)
ICP-MS can detect the sample concentration up to PPB while ICP-OES can detect a concentration of sample up to PPT. Determine whether this statement is RIGHT or WRONG.
Right
Wrong
What is the function of Dynode Detector in ICP-MS?
to detect the atoms leaving the quadrupole
to count the number of ions separated based on the mass
to measure the signal electronic from the cascade of electrons produced
to measure the signal of emission from the excited atoms to the lower state
One of the advantages of ICP-MS over the other atomic spectroscopies is can detect precisely the presence of (a) of each element, which have same number of proton but different number of neutron.
