Miller process
id:
miller-process-232-5702926
title:
Miller process
text:
The Miller process is an industrial-scale chemical procedure used to refine gold to a high degree of purity (99.5%). It was patented by Francis Bowyer Miller in 1867. This chemical process involves blowing chlorine gas through molten, but (slightly) impure, gold. Nearly all metal contaminants react to form chlorides but gold does not at these high temperatures. The other metals volatilize or form a low density slag on top of the molten gold. When all impurities have been removed from the gold th
brand slug:
wiki
category slug:
encyclopedia
description:
Industrial procedure used to refine gold
original url:
https://en.wikipedia.org/wiki/Miller_process
date created:
date modified:
2024-01-10T14:45:24Z
main entity:
{"identifier":"Q6859299","url":"https://www.wikidata.org/entity/Q6859299"}
image:
fields total:
13
integrity:
14