TERMIUM Plus®
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02.02.07 (19762) [1 record]
Record 1 - external organization data 2009-08-04
Record 1, English
Record 1, Subject field(s)
- Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies) Record 1
Record 1, Main entry term, English
- reflectance
1, record 1, English, reflectance
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
ratio of the reflected radiant or luminous flux to the incident flux in incident radiation of given spectral composition, polarization and geometrical distribution [IEC 50 (845), 845-04-58] 1, record 1, English, - reflectance
Record number: 1, Textual support number: 1 OBS
Reflectance (sometimes in AIDC techniques called reflectance factor) is measured on a scale of 0 to 1, at a wavelength or bandwidth of light (spectral response) specified in the particular application specification. 1, record 1, English, - reflectance
Record number: 1, Textual support number: 2 OBS
Barium sulphate or magnesium oxide are used as 'near perfect' reference white standards (a perfect standard of pure white would have a reflectance of 1,00 at any wavelength of light). The absence of any light in a vacuum is used as reference black standard. 1, record 1, English, - reflectance
Record number: 1, Textual support number: 3 OBS
Samples (such as substrates, inks, etc.) are tested against the standards under similar illumination. 1, record 1, English, - reflectance
Record number: 1, Textual support number: 4 OBS
reflectance: term and definition standardized by ISO/IEC [ISO/IEC 19762-2:2008]. 2, record 1, English, - reflectance
Record 1, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
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