TAPPI T 1217 sp-02 (R2012)
TAPPI T 1217 sp-02 (R2012) Photometric Linearity Of Optical Properties Instruments Defines a test for linearity required by the following TAPPI optical methods: - T 425: Opacity; - T 452, 525, 534, 646 Brightness; - T 480, 653 Gloss; - T 524, 527 Color; - T 560, 562 Whiteness.