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Terms in this set (25)
True or False: The qualitative analysis provides information about the identity of species or functional groups in the sample.
What is the S/N ration for Limit of quantification?
True or False: LOD and LOQ are used to denote the same point in the calibration curve.
Valance electron excitation is the effect of which radiation exposure?
True or False: Noise in analytical measurement is random in nature.
True or False: Standard deviation is used for systematic error.
The slope of the calibration curve in the concentration range of interest is defined as ______.
______ is defined as the minimum concentration of analyte that can be detected with a specific method at a known confidence level.
What is selectivity?
Ability to distinguish the analyte from interferences
What is throughput?
Number of samples that can be run in each time
What is ruggedness?
Durability of measurement, ability to handle adverse conditions
What is precision?
Reproducibility of replicate measurements
True or False: In atomic spectroscopy emission and absorption wavelengths are the same
True or False: ICP-AES analytical technique is an absorption-based analytical technique.
True or False: AAS is a great tool to measure volatile organic compounds in Water.
In AAS or AES, which of the following species is expected to dominate to a larger extent?
True or False: The maximum temperature is located in the flame about 2.5 cm above the primary combustion zone.
True or False: Chromium oxidizes readily and forms very stable oxides that show a continuous increase in absorbance beginning close to the burner tip.
S/N ratio for detection limit is
Beers' law is a plot of absorbance vs ______.
The limit of linearity is the ______.
point where the calibration becomes nonlinear
True or False: A line spectrum comprises sharp lines
True or False: A band spectrum is usually used for quantitating analysis.
Molar absorptivity is not a function of wavelength.
In AAS, the incident beam is the same as the emission spectra of hydrogen. The element being measured ______.
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