bead test


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bead test

n.
A test to identify the metal constituents of a mineral in which a bead covered with the mineral is heated in a flame and cooled to observe its characteristic color and other properties.
References in periodicals archive ?
An easier practical test carried out on different materials consisted of a droplet/ bead test and a run test.
The drop and bead test using the oil revealed characteristics far from the level of repellency required for good paste release, however (FIGURE 8).