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ANACHEM

A detailed analytical chemistry laboratory setting, with scientists conducting experiments, test tubes, and high-tech equipment involved in analyzing substances.

ANACHEM Quiz

Test your knowledge in Analytical Chemistry with our comprehensive ANACHEM quiz. This quiz covers various topics, including qualitative and quantitative analysis, pollution problems, and the significance of chemical composition in product performance.

Key Features:

  • Multiple-choice questions
  • True/False questions
  • Challenging content for all levels
43 Questions11 MinutesCreated by AnalyzingAtom329
The first steps in unravelling the details of an unknown system frequently involve the identification of its contituents by qualitative measurements
Residual heavy metals and organo-chlorine pesticides represent two well-known pollution problems.
In commercial dealings with raw materials such as ores, the value of the ore is set by its metal content.
Most manufacturing industries require a uniform product quality.
The design and development of a new product will often depend upon establishing a link between its chemical composition and its physical properties or performance.
The levels of various elements and compounds in body fluids are important indicators of physiological disorders
Reveals the identity of the constituents in a sample
The components of a sample that are determined either through qualitative or quantitative analysis
Indicates the amount of each substance in a sample
Often called the central science
Determination of the accuracy of graduation marks on volumetric apparatus by weighing measured volumes of water, or determinations of the accuracy of weights by comparison with weights whose value is known with a high degree of accuracy
That proportion of a measurement which arises from sources other than the analyte itself
Constituent of a sample which is to be studied by quantitative measurements or identified qualitatively
Highly accurate determination, usually valuable constituent in a material of large bulk
The closeness of an experimental measurement or result to the true or accepted value
A measurement observation in which the sample is replaced by a stimulated matrix ( a solution that has no analyte)
A component of a sample
> 10%
Minor
Major
Trace
Ultratrace
1-1000 ppm (0.0001 - 0.01%)
Minor
Major
Trace
Ultratrace
0.01 - 10%
Minor
Major
Trace
Ultratrace
< 1 ppm
Minor
Major
Trace
Ultratrace
Treatment of a sample with a reagent to prevent interference with the response of the analyte by other constituents of the sample
A compound or element added to all calibration standards and samples in a constant known amount
An effect which alters or obscure no better than about 10% of the amount present
A semi-quantitative measure of the amount of an analyte present in a sample
The amount of a substance present in a given mass or volume of another substance
Smallest amount or concentration of an analyte that can be detected by a given procedure and with a given degree of confidence
A quantitative measure of an analyte with an accuracy of considerably better than 10% of the amount present
The amount of a substance which in a specified chemical reaction, produces, reacts with or can be indirectly equated with one mole
Equivalent of a one mole
The remainder of the sample of which the analyte forms a part
The overall description of the instructions for a particular analysis
The random or indeterminate error associated with a measurement or result
A substance whose purity and stability are particularly well established and with which other standards may be compared
A method of quantitative analysis whereby the response from an analyte is measured before and after adding a known amount of that analyte to the sample
A pure substance which reacts in a quantitative and known stoichiometric manner with the analyte or reagent
The ability of a method to facilitate the detection or determination of an analyte
A substance or portion of a substance about which analytical information is required
A chemical used to produce a specified reaction in relation to an analytical procedure
A description of the practical steps involved in an analysis
Determination of the concentration of an analyte or reagent solution from its reaction with a standard or primary standart
The principle upon which a group of method is based
In order to ensure that results yielded by a method are as accurate as possible, it is essential to validate the method by analyzing standards which have an accepted analyte content
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