Sentence examples for spectrometric from inspiring English sources

With solid samples, spectrometric methods are used in which the test portion is that minute portion of a solid sampled by a spark, arc, or glow discharge to create a sample plasma.

Mass spectrometry is used for quantitative analysis by relating the height of a specific mass spectrometric peak to the concentration of the analyte.

With the aid of various radiometric methods involving mass spectrometric analysis, researchers have found it possible to determine how long ago a particular sediment was deposited, when an igneous rock crystallized or when a metamorphic rock recrystallized, and even the time at which rocks in a mountain belt cooled or underwent uplift.

The piece may need to be cut to size for spectrometric work, or millings or drillings may need to be obtained.

With the exception of a few spectrometric and mass-spectrometric studies, most investigations of astatine chemistry have used tracer techniques, which involve using chemical reactions in a solution with similarly reacting elements as carriers.

The spectrometric readings will also be used to fine-tune "Rome Reborn," a 3-D model of ancient Rome developed by Bernard Frischer, a professor of art history and classics at the University of Virginia.

Mr. Piening did spectrometric readings on the arch and compared them with a database of pigments and dyes to identify the original color.

This technique, which collects mass spectrometric data from the surface of specimens, has previously been applied to a variety of animal fossils to identify the presence of fossil melanosomes, including bird feathers, amphibians, mammals and squid ink.

He said that more than 1,700 scientific papers using his mass spectrometric method had been published.

Labeling is also widely used in mass-spectrometric research to give information about the fragmentation reactions occurring in the mass spectrometer.

More recently, precision mass-spectrometric methods have been used to determine the distribution and weights of isotopes in various naturally occurring samples of elements.