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Iron rings used in a laboratory. An iron ring or ring clamp is an item of laboratory equipment which comprises a conjoined metal ring and radially-extending rod. [1] 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. [2]
In chemistry, a retort stand, also called a clamp stand, [1] a ring stand, [2] or a support stand, [3] is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks. [4] The typical ring stand consists of a heavy base and a vertical rod, both usually made of metal.
The triangle is usually supported on a tripod or iron ring. Unlike wire gauze, which primarily supports glassware such as beakers, flasks, or evaporating dishes and provides indirect heat transfer to the glassware, the pipeclay triangle normally supports a crucible and allows the flame to heat the crucible directly. The triangular shape allows ...
Wire gauze may be woven from metals including iron, [5] steel, [6] copper, [7] and nichrome. [8] Nichrome alloy provides long life expectancy and tear resistance. [ 5 ] [ 8 ] The edges of the wire gauze are turned inward to help prevent fraying, [ 5 ] improve handling, and eliminate sharp protruding wire ends.
A utility clamp is a laboratory apparatus resembling a pair of scissors.The screw in the middle works as the wide adjustment of 2-prong. [1] It is composed of 3 parts: 2-prong adjust, metal rod, and clamp down (the clamp is attached to the ring stand for adjusting the height).
Ring stand rod jaw and extension clamp jaw A clamp holder or clamp fastener is a piece of laboratory apparatus that is used to secure laboratory clamps , such as extension-type utility clamps , or other attachments to a retort stand or lab frame. [ 1 ]
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The Iron Ring is small and understated, and was designed as a constant reminder, rather than a piece of jewelry. The Rings were originally hammered manually with a rough outer surface. The modern machined ring shares a similar design as a reminder of the manual process.