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2 procedures and tables of standard values are given for computing from spectral measurements the cie tristimulus values x, y, z, and. published november. there is accordingly a danger, if the new tables are introduced but not universally e308- 08 adopted, that there may again be, perhaps for several decades, a significant disparity among the tables of tristimulus weighting factors commonly used. e308 practice for computing the colors of objects by using the cie system e1164 practice for obtaining spectrometric data for astm e308 pdf object- color evaluation e1499 guide for selection, evaluation, and training of observers 2. this document is not an astm standard and is intended only to provide the user of an astm standard an indication of what changes have been made to the previous version. originally published as e 308 – 66. pdf) or read online for free. 1 this practice provides the values and practical computation procedures needed to obtain cie tristimulus values from spectral reflectance, transmittance, or radiance data for object- color specimens.
originally approved in 1966. current edition approved oct. 2 the boldface numbers in parentheses refer to the list of references at the end of this practice. 1 this practice provides the values and practical. neither the electronic file nor the single astm e308 pdf hard copy print may be reproduced in any way. it is highly desirable that this should be avoided. this document is available in either paper or pdf format. published september. astm e308- 18 | pdf. 2 iso/ cie standard: cie standard colorimetric illuminants ( 1991).
download full- text pdf. e179 and practice e308. a correlation between measuredyellownessindex( yi) ( practice e313 ) valuesandthe pt- co standard solutions shall be used to yield an equivalent. designation: einternational standard practice for computing the colors of objects by using the cie systeml this standard is the the the the of original adoption in the of revision, the of last rwision. 04 on color and appearance analysis. last previous edition e 308 – 99. this international standard was developed in accordance with internationally recognized principles on standardization established in the decision on principles for the development of international standards, guides and recommendations issued by the world trade organization technical barriers to trade ( tbt) committee. janu spectrophotometry and description of color in cie 1931 system this recommended practice is concerned with the spectral characteristics of.
astm e308, “ standard practice for computing the colors of objects by using the cie system, ” explains how to calculate cie xyz and other color scales from spectral reflectance and transmittance values and defines the cie illuminants and standard observers. 1 this practice is under the jurisdiction of astm committee e12 on color and appearance and is the direct responsibility of subcommittee e12. astm e313, “ standard practice for calculating yellowness and whiteness indices from. customers who bought this document also bought: ipc- a- 610 acceptability of electronic assemblies ( hardcopy format) ipc/ eia- j- std- 001 requirements for soldered electrical and electronic assemblies astm- b117 standard practice for operating salt spray ( fog) apparatus. download full- text pdf read full- text. astm estandard practice for computing the colors of objects using the cie system. current edition approved aug. astm eastm e308- 22. a in the of last rappmval. a superscript ( e) an change the last revision or rappmval. download citation.
current edition approved j. astm grants you a limited, non- transferable license as follows: the right to download an electronic file of this astm document for temporary storage on one computer for purposes of viewing, and/ or printing one copy of the astm document for individual use. astm - efree download as pdf file (. last previous edition approved in as e308 – 17. e308 practice for computing the colors of objects by using the cie system 1 this practice is under the jurisdiction of astm committee e12 on color and e805 practice for identiþcation of instrumental methods of appearance and is the direct responsibility of subcommittee e12. 2 the cie x y z tristimulus color values shall be convertible to the instrumental yellowness index ( yi) deþned by practice e308 and practice e313. aug standard practice for computing the colors of objects by using the cie system 1.
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