Ring clamps and miscellaneous stands

Open and closed rings are a common means of supporting laboratory apparatus. They do not clamp, per se, but they are used to stabilize or support items such as separatory funnels, or to hold beakers over open flames. Some are available with a PVC coating to cushion the glassware.

How does a ring stand function?

Noun. ring stand (plural ring stands) (chemistry) An item of laboratory equipment consisting of a metal pole with a solid, firm base, used to hold or clamp laboratory glassware and other equipment in place, so that it does not fall down or come apart.

What does a ring stand hold?

Ring stands are used to hold glassware in place during an experimental procedure. You can attach ring clamps, versatile clamps, or 3-prong clamps (the latter require clamp holders).

What are ring stands and clamps used for?

Ring clamps connect to a ring stand. They come in several sizes and have a multitude of uses: holding a separatory funnel during an extraction, support for a heating mantle, or supporting a glass funnel in gravity filtration.

What is Iron Ring in laboratory apparatus?

An Iron Ring or 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.

What is a retort ring?

$6.00. This retort ring can be used to hold various different glassware, but it is mainly used for separatory funnels and similarly shaped glass.

What is clay triangle in chemistry?

Clay triangle

A triangular device made of heat-resistent clay. Used to hold crucibles and porcelain dishes heated by a Bunsen burner. Distributes heat evenly over the surface of objects it holds.

What are beaker tongs used for?

Beaker tongs are used to hold and move beakers containing hot liquids.

What is the function of test tube?

Test tubes are widely used by chemists to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays. Their round bottom and straight sides minimize mass loss when pouring, make them easier to clean, and allow convenient monitoring of the contents.

Why is it called a retort stand?

The term retort comes by way of Middle French, but ultimately from Latin retortus, twisted back, for the shape of the neck.