This method is designed to allow anyone perform a measurement of powder quality based on its color in
an easy way. Using a small box for sampling collection and a lid with a specific hole on its surface, the
method provides a solution for a fast analysis of powder quality on‐site. It can be used by any person (no
special skills needed) and it has been proven to be robust and reliable.
The hole is intended to fit with a standard commercial colorimeter. The system creates a flat horizontal
surface that can be read by the colorimeter, a dark chamber that allows the measurement to be taken
without external influences and a method to keep the focal distance constant, allowing different
measurements to be compared among themselves.
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INC, HP, "METHOD AND TOOL FOR SELF-ASSESSMENT ON MATERIAL QUALITY", Technical Disclosure Commons, (July 15, 2019)