Pt-Co / Hazen / APHA platinum and cobalt color scale refers to the use of different concentrations of Pt-co solution for chromaticity grading. The concentration ranges from 0-500, also known as Hazen and APHA color scale.
CS-820N contains both D/8 and D/0 geometry to make it is suitable to measure both opaque, translucent and transparent materials. We get four plastic samples from customers. They need to measure the sample color value.
We will introduce how to measure th