Download this white paper in PDF format In the United States1, the ultimate authority on measurement practice lies within the Department of Commerce, at the National Institute of Standards and Technology (NIST) [1]. So to start any discussion about … Read More
While not a complete listing of relevant references for our standards and materials, this selected bibliography will help the reader gain knowledge of standards and instrumentation related to our products. ASTM Standards on Color and Appearance Measurement 6th Edition, 2000, … Read More
Previously, we reviewed the first of the basic units we measure: reflectance. We presented a simplified but rigorous definition of the way we quantify the flux reflected from a surface. In a similar way, this post addresses transmittance, which describes the … Read More
Color Standards – What Are They? There are a bewildering amount of color standards available, each with a set of properties that will make it very good for some applications, and possibly very bad for others. This note will … Read More
The material properties we measure are reflectance and transmittance, or more typically, reflectance factor and transmittance factor. Transmittance and reflectance are the more general measurements, but as we will see below, when we compare a sample and a physical reference … Read More
