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An instrument used to display or record spectra, as from electromagnetic or sound waves.
Farlex Partner Medical Dictionary © Farlex 2012


(spĕk′trō-grăf) [″ + Gr. graphein, to write]
An instrument designed to photograph spectra on a sensitive photographical plate.

mass spectrograph

A device that separates ions of different masses by employing a magnetic field to deflect them as they travel along a given path.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
This type of therapy corroborates the improvement of most spectrographic evaluation aspects, such as tracing color intensity in wide-band spectrogram, after speech therapy (M5); tracing regularity, either in wide-band spectrogram or in narrow-band spectrogram improved after surgery and increased along speech therapy (Table 2).
Similarly, the ruthenium complex [(S-[C.sub.6][H.sub.4]-N(Me)C[H.sub.2]C[H.sub.2]N(Me)-[C.sub.6][H.sub.4]- S)([P.sup.i][Pr.sub.3])Ru(NCMe)] is also modelled using available spectrographic data.
This figure shows waveform and the spectrographic analysis of the word "cassettt' as produced by one of the female members of the study sample.
without spectrographic analysis then on this issue the Claimant must fail.
One of the Department of Homeland Security's most troubled technology development programs came to an end in July, when a senior official announced that the Advanced Spectrographic Portals, which were designed to ferret out nuclear material at ports, was terminated.
Spectrographic analysis of the metalware demonstrated no important difference in the stainless steel contents between reusable and single-use items.
The benefits from Transpec's spectrographic method are: rapid results (typically within seconds), no need for sample preparation, and high portability -meaning multiple measurements can be carried out anywhere on site.
Some of the invasive methods are: metallographic analysis and microhardness testing and non-destructive methods are: spectrographic and radiographic analyses.
To the best of the author's knowledge, the analysis methods used at the time were spectrographic powder assaying and the Sofranov method.
The researchers are now looking at automating the spectrographic analysis and species identification process.
Tests included chromatographic, spectrographic, and thermogravimetric analysis.