PAINTS AND PIGMENTS. The infrared characteristics of a variety of paints and pigments are also described in Chapters VIII, XII, and XIII.
SNOW, SAND, ETC.
|70,000||48||. .||. .||26||. .||. .||. .||. .||. .|
These reflectivity data were published by Hulburt:40
Diffuse reflecting powers in relative units.
Maine sand, yellow-white, made up of grains of many colors from sea shore.
Florida sand, very white, containing quartz with some black specks, from two miles inland from sea.
Crushed quartz, made by grinding clear optical quartz in mortar.
Snow, untouched surface, freshly fallen.
Plaster of Paris, in powder form.
Paper, very slightly yellowish.
Sodium carbonate, anhydrous.
White cotton cloth, old cotton handkerchief, freshly washed and ironed.
1. ASKANIA-WERKE A.-G., Siemens und A.-G Halske.
2. BARNES R. B., and BONNER L. G., "Filters for the Infrared," J. Optical Soc. Am., 1936, 26, 428-33.
3. "The Christiansen Filter Effect in the Infrared," Phys. Rev., 1936, 49, 732-40.
4. BAUSCHE AND LOMB OPTICAL CO., Colored Glass Filters, Rochester, N. Y., 1940.
5. BECKETT H. E., "The. Reflecting Powers of Rough Surfaces at Solar Wavelengths," Proc. Phys. Soc., 1931, 43, 227-41.
6. BERTLING H., "Gasentladungslampen als Dunkelkammerbeleuchtung, insbesondere bei Verarbeitung infrarotsensibilisierter Schichten," Phot. Ind., 1934, 32, 389-90, 415-17.
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Publication information: Book title: Photography by Infrared:Its Principles and Applications. Edition: 2nd. Contributors: Walter Clark - Author. Publisher: John Wiley & Sons. Place of publication: New York. Publication year: 1946. Page number: 440.
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