Final Exam Flashcards
(18 cards)
Degree of agreement between the measured value and the “true” value
Accuracy
Aliquot
Measured fraction of the volume of a liquid
Analyte
The species in a sample about which analytical information is sought
Aqueous
Something is made from, with, or by water
Total weight of an atom
Atomic weight
A plot of instrument response versus known analyte concentrations is used to produce a …
Calibration curve
Amount of substance in a given volume or space
Concentration
The process in which an absorbed chemical moves away from the site of absorption to other areas of the body
Distribution
It’s constituent parts can be distinguished visually or with the aid of a microscope
Hetergeneous
A mixture or substance has a uniform composition or structure throughout
Homogeneous
A known quantity of a species with properties similar to an analyte that is introduced into solutions of the standard and the unknown
Internal standard
The sum of the atomic masses of all atoms in a molecule
Molecular weight
A result that appears at odds with the other members of the data set
Outlier
Degree of agreement between replicate measurements of the same quanity
Precision
A proactive process that prevents and detects quality issues in chemical manufacturing
Quality assurance
A systematic process that ensures the quality of chemical meets specific criteria
Quality control
Reveals the identity of the elements and compounds in a sample
Qualitative analysis
A measure of how close a set of results are to each other when the same measurement is taken multiple times under the same conditions
Repeatability