Spectrochemical computer analysis - instrumentation
Journal of Research of the U.S. Geological Survey
By: A.W. Helz
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Abstract
A microphotometer is described for making magnetic tape recordings of spectra 480 mm long from 102- by 508-mm photographic plates. Transmission readings are recorded at a rate exceeding 1,300 per second for every 5.08 um of length of the spectrum, A two-line
cadmium fiducial line system and a developing tank for 102- by 508-mm plates also are described as equipment ancillary to a system of
computer spectral analysis applied to the spectrochemical analysis of geologic materials.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Spectrochemical computer analysis - instrumentation |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 1 |
| Issue | 4 |
| Year Published | 1973 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 8 p. |
| First page | 475 |
| Last page | 482 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |