A bosshead, also known as a clamp holder, is a laboratory apparatus used to secure clamps onto a stand or rod. It typically consists of a metal clamp with two screws that can be tightened to hold various lab equipment in place, such as burettes, test tubes, or condensers. Bossheads are essential for setting up and securing experimental apparatus in a safe and stable manner during scientific experiments.
Retort stand
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The stand used to hold equipment in a science class is called a retort stand or a lab stand. The clamp attached to the stand to secure apparatus or glassware is known as a clamp holder or a bosshead clamp.
The iron ring apparatus consists of an iron ring with a screw adjustable collar attached to a bosshead, commonly used alongside a wire gauze on a ring stand to provide support for glassware, such as beakers or flasks, during heating over a Bunsen burner. It is an essential part of a laboratory setup to ensure stability and safety when working with hot materials. By adjusting the height of the iron ring, the distance between the heat source and the glassware can be controlled, allowing for efficient and controlled heating.