Zone melting
id:
zone-melting-271-619088
title:
Zone melting
text:
Zone melting is a group of similar methods of purifying crystals, in which a narrow region of a crystal is melted, and this molten zone is moved along the crystal. The molten region melts impure solid at its forward edge and leaves a wake of purer material solidified behind it as it moves through the ingot. The impurities concentrate in the melt, and are moved to one end of the ingot. Zone refining was invented by John Desmond Bernal and further developed by William G. Pfann in Bell Labs as a me
brand slug:
wiki
category slug:
encyclopedia
description:
Purification process by moving a molten zone along a metal bar
original url:
https://en.wikipedia.org/wiki/Zone_melting
date created:
date modified:
2024-03-19T01:45:18Z
main entity:
{"identifier":"Q219909","url":"https://www.wikidata.org/entity/Q219909"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/26/Zone_refining_Bell_Labs_1954.jpg","width":705,"height":618}
fields total:
13
integrity:
15