Thermometer Adapter

A thermometer adapter is a laboratory fitting that positions a thermometer securely within chemical glassware, allowing accurate measurement of a reaction mixture or vapor temperature. In chemistry, the adapter typically passes through a stopper or flask joint and uses a compression seal, such as a rubber gasket or O-ring, to hold the thermometer while limiting vapor loss; its sensing bulb must be placed at the relevant measurement point. Thermometer adapters are especially useful in distillation, reflux, heating, and temperature-controlled reactions, where monitoring boiling points and reaction conditions supports safer operation, reproducible procedures, and reliable separation or synthesis results.

Thermometer Adapter - Related Videos

Research

JoVE Journal - Chemistry

Fabrication and Testing of Photonic Thermometers

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Cited by 1 •

2018

We describe the process of fabrication and testing of photonic thermometers.

Education

JoVE Core - Physics

Thermometers and Temperature Scales

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2023

Any physical property that depends consistently and reproducibly on temperature can be used as the basis of a thermometer. For example, volume increases with temperature for most substances. This property is the basis for the common alcohol thermometer and the original mercury thermometers. Other properties used to measure temperature include electrical resistance, color, and the emission of infrared radiation. As many physical properties depend on temperature, the variety of thermometers is...

Gas Thermometers and the Kelvin Scale

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2023

The definition of temperature in terms of molecular motion suggests that there should be a lowest possible temperature, where the average kinetic energy of molecules is zero (or the minimum allowed by quantum mechanics). Experiments confirm the existence of such a temperature, called absolute zero. An absolute temperature scale is one whose zero point is absolute zero. Such scales are convenient in science because several physical quantities, such as the volume of an ideal gas, are directly...

A Molecular Readout of Long-term Olfactory Adaptation in C. elegans

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Cited by 2 •

2012

Here we describe a molecular readout of long-term olfactory adaptation in Caenorhabditis elegans. The Protein Kinase G, EGL-4, is necessary for stable adaptation responses in the primary sensory neuron pair called AWC. During prolonged odor exposure EGL-4 translocates from the cytosol to nucleus of the AWC.

Cellular Adaptation II: Hypertrophy

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2026

Hypertrophy is the increase in the size of individual cells, resulting in the enlargement of a tissue or organ. Unlike hyperplasia, which involves an increase in cell number, hypertrophy is characterized by an increase in cell volume. This process often occurs in response to higher functional demand or hormonal stimulation, leading to the production of more structural proteins and organelles, thereby enhancing the cells' work capacity.There are two primary types of hypertrophy: physiological...

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