Iron ring (laboratory) | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Iron_ring_(laboratory)





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SUMMARY
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A Ring clamp is an item of laboratory equipment which comprises a conjoined metal ring and radially-extending rod. In some cases, the rod terminates in a screw clamp for attachment to a retort stand or other support; in others, the rod may be attached to a stand by means of a laboratory clamp holder. Iron rings are commonly used in chemistry laboratories for supporting apparatus above the work surface, for example:

a tapered item such as a filter funnel or separatory funnel.
a clay triangle, which itself supports an item such as a crucible.
a wire gauze, which itself supports a flat-bottomed beaker or conical flask.
a large, and therefore heavy, round-bottom flask.In some cases, a slot is cut in the side of the ring opposite the rod. This is to allow a funnel to be placed upon and removed from the ring from the side rather than from above, a safer procedure.