9+ What is a Test Tube Rack? Definition & Uses

definition of a test tube rack

9+ What is a Test Tube Rack? Definition & Uses

A laboratory apparatus designed to hold and support multiple test tubes upright. These structures typically feature a series of evenly spaced holes or pegs, sized to accommodate the standard dimensions of common laboratory test tubes. The primary function of this equipment is to provide stability and prevent spillage or breakage during experiments, storage, and transportation of samples. For example, after a chemical reaction is conducted in a test tube, it can be placed within this device for observation or to await further analysis, eliminating the need for the tube to be held manually.

This item is essential for maintaining organization and efficiency in a scientific setting. By providing a designated space for each tube, it minimizes the risk of cross-contamination and allows for easy identification of individual samples. Historically, these holders were often constructed from wood, but modern versions are frequently made of plastic, metal, or other durable materials chosen for their chemical resistance and ease of cleaning. The implementation of this device streamlines laboratory workflows, reducing potential hazards and enhancing overall experimental accuracy.

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What is a Test Tube Rack? Definition & Uses

test tube rack definition

What is a Test Tube Rack? Definition & Uses

A laboratory apparatus designed to hold multiple test tubes upright is a crucial element in scientific settings. This framework typically features a series of holes or slots, precisely sized to securely accommodate the tubes. They come in various materials, including plastic, metal, and wood, with the material often selected based on chemical resistance and durability requirements. The primary function of this device is to prevent spills, provide organization, and allow for simultaneous observation of multiple samples.

The significance of such an organizing tool stems from its ability to enhance efficiency and safety in laboratory environments. By providing a stable and easily accessible platform for test tubes, it minimizes the risk of accidental breakage or contamination. Furthermore, this apparatus facilitates organized workflows during experiments and allows for convenient storage and transportation of multiple samples. Historically, these devices have been indispensable tools for scientists, evolving in design and material to meet the changing needs of research and analysis.

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9+ What is a Cooling Rack? Definition & Uses

definition of cooling rack

9+ What is a Cooling Rack? Definition & Uses

A kitchen implement typically constructed from metal wiring, often arranged in a grid pattern, designed to elevate baked goods or cooked items. This elevation allows for air to circulate around the food, facilitating a more rapid and even reduction in temperature. Examples include cooling cookies, cakes, breads, or even cooked meats after roasting.

The utilization of this tool promotes efficient temperature reduction, preventing sogginess in baked goods caused by trapped moisture. Furthermore, it aids in setting glazes and icings smoothly and uniformly. Historically, similar methods employing natural materials like woven reeds or branches were used to achieve comparable results before the advent of modern kitchenware.

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