| 000 | 02566 am a22002293u 4500 | ||
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| 042 | _adc | ||
| 100 | 1 | 0 |
_aKeegan, Harry J. _eauthor _9179 |
| 700 | 1 | 0 |
_aSchleter, John C. _eauthor _9180 |
| 700 | 1 | 0 |
_aJudd, Deane B. _eauthor _9181 |
| 245 | 0 | 0 | _aGlass Filters for Checking Performance of Spectrophotometer-Integrator Systems of Color Measurement |
| 260 |
_b[Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology, _c1962. |
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| 500 | _a/pmc/articles/PMC5310678/ | ||
| 520 | _aA set of five specially selected colored-glass filters to identify variables of malfunction of photoelectric recording spectrophotometers equipped with tristimulus integrators have been standardized on a number of spectrophotometers corrected for all known errors (wavelength, zero, 100 percent, slit-width, inertia, back-reflectance, and stray-energy). To these standardized spectrophotometric data definite amounts of these errors were deliberately introduced and converted to tristimulus values and chromaticity coordinates of the International Commission of Illumination system of colorimetry for Sources A, B, and C. Similar reductions show the effects of slit widths of 1, 5, 10, and 15 millimicrons (mµ) on computed results both by the selected-ordinate method of 10, 30, and 100 ordinates, and by the weighted-ordinate methods of 1-, 5-, 10-, and 15-mµ intervals. Duplicate sets of these glasses have been evaluated by visual comparison with this set of master standards, and are available as part of the Standard Materials Program of the National Bureau of Standards. By comparing the certified values of luminous transmittance and chromaticity coordinates for a set of these glasses with the values obtained on a particular integrator-spectrophotometer combination, the type and extent of instrumental errors may be evaluated. | ||
| 540 | _a | ||
| 540 | _ahttps://creativecommons.org/publicdomain/zero/1.0/ | ||
| 540 | _aThe Journal of Research of the National Bureau of Standards Section A is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright. | ||
| 546 | _aen | ||
| 690 | _aArticle | ||
| 655 | 7 |
_aText _2local |
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| 786 | 0 | _nJ Res Natl Bur Stand A Phys Chem | |
| 856 | 4 | 1 |
_uhttp://dx.doi.org/10.6028/jres.066A.020 _zConnect to this object online. |
| 999 |
_c1142 _d1142 |
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