All about coffee by William H. Ukers

2 by William H. Ukers, Ukers, William H. (William Harrison), 1873-1945

Chapter 73: 1. _Macroscopic Examination--Tentative_

Chapters

Chapter 73: 1. _Macroscopic Examination--Tentative_

A macroscopic examination is usually sufficient to show the presence of excessive amounts of black and blighted coffee beans, coffee hulls, stones, and other foreign matter. These can be separated by hand-picking and determined gravi-metrically.
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