You are being redirected because this document is part of your ASTM Compass® subscription.
    This document is part of your ASTM Compass® subscription.


    Measurement of Gonioapparent Colors

    Published: Jan 2012

      Format Pages Price  
    PDF (756K) 10 $25   ADD TO CART


    THESE TERMS ARE SPECIFIC TO GONIOAPPARENT phenomena. The definitions below are from ASTM Standard E284 [1]. They are italicized when they first appear in this chapter. annular, adj — descriptor for directional illuminating (or viewing) geometry in which the illuminator provides radiation (or the receiver possesses responsivity) that is distributed continuously and uniformly throughout the 360° of azimuth of the measurement. (See also circumferential.) anormal, adj — of angles, measured with reference to the normal to the surface. (2008)

    Author Information:

    Rodrigues, Allan B. J.
    Sr. Research Fellow, DuPont Performance Coatings, Troy, MI

    Committee/Subcommittee: D01.31

    DOI: 10.1520/MNL12207M