UNE 72-321-1985
Evaluation of relative whiteness (for range below 4o)

Standard No.

UNE 72-321-1985

Release Date

1985

Published By

ES-AENOR

Scope

This standard aims to define the formulas to evaluate the relative whiteness of various samples, for the UNE 3 colorimetric observer (UNE 71-014).