annealing tray

an·neal·ing tray

an electrically heated, thermostatically controlled device used to drive off the protective NH3 gas coating from the surface of cohesive gold foil.

an·neal·ing tray

(ă-nēling trā)
Electrically heated, thermostatically controlled device used to drive off protective NH3 gas coating from the surface of cohesive gold foil.
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