Abstract
Many investigators have been confronted with the problem of preparing sturdy pressed powder specimens for use in x-ray spectrochemical analysis. Some have ground or otherwise mixed the powdered material with a binder, such as boric acid1 or cellulose powder prior to pressing in a mold. This dilutes the sample and causes some added uncertainty. One never knows whether the binder is evenly dispersed throughout the sample. Some investigators have pressed powders on a backing of boric acid,1 cellulose powder,2 or Boraxo.3
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