The metal ring is attached to the upright of the ring stand. It is used to support glassware while it is being heated over a Bunsen burner.
The iron ring in a lab is used to hold things and the middle of the ring allows a Bunsen burner to heat what is on the ring.
A common apparatus used in labs to show the expansion of solids on heating is a simple demonstration setup consisting of a metal ball and ring. The ball passes easily through the ring at room temperature, but when heated, it expands and no longer fits through the ring, illustrating the concept of thermal expansion.
A laboratory stand.
A ring stand is used to hold a ring, upon which a beaker with some solution in it could be supported. A bunsen burner could be placed under the ring and used to heat the solution in the beaker.
IR10k stamped on a ring typically means that the ring is made of a metal called iridium and is 10 karat gold. It indicates the composition of the metal used in the ring.
It requires two pieces of equipment: a ring stand and a ring.
An iron stand typically consists of a heavy base, a vertical rod, and a clamp or holder for supporting equipment. An iron ring is a circular metal ring with a screw or clamp for attaching it to the iron stand, commonly used to support glassware or other lab equipment during experiments.
The metal ring on a pencil, usually found at the end opposite the eraser, is called a ferrule. It is used to secure the eraser in place.
A clamp is used to attach to a lab stand and holds a variety of lab equipment securely in place during experiments. The clamp has an adjustable grip to accommodate different sizes of equipment.
The stamp "SK9" inside a diamond ring likely refers to the metal used to make the ring, which is likely sterling silver. The "S" stands for silver, and the "K9" indicates that the silver is 92.5% pure, making it sterling silver. This stamp is a common hallmark used by jewelers to indicate the quality and purity of the metal used in the ring.
yes because when you heat a metal ring it will expand
== == Iron ring/clampAn iron ring/clamp that holds glassware such as a funnels or other objects, like the a wire gauze or clay triangle for heating with a Bunsen burner. Often, the iron ring/clamp will be attached to an iron stand.Iron standA metal rod attached to a heavy metal base. The heavy base keeps the stand stable, and the vertical metal rod allows for easy height adjustment of the iron ring/clamp. (A tripod can sometimes be used in place of an iron stand.) See the Related Links and Related Questions for pictures of a ring clamp and a ring stand.