A water bath is a laboratory equipment consisting of a container filled with hot water. The water bath is used to incubate samples in water at a constant temperature for a long period of time. All water baths have a digital or analog interface that allows users to set the desired temperature.

Applications include reagent heating, substrate melting, or cell culture incubation. It is also used to allow certain chemical reactions to occur at high temperatures. The water bath is a preferred heat source for heating flammable chemicals rather than an open flame to prevent ignition.

Different types of water baths are used depending on the application. For all water baths, it can be used up to 99.9 ° C. When the temperature is above 100 ° C, alternative methods such as oil bath, silicone bath or sand bath can be used.

Types of water baths

 Circulating water baths: Circulating baths are ideal for applications where temperature uniformity and consistency are critical, such as serological and enzymatic experiments. The water is thoroughly circulated throughout the bath, resulting in a more uniform temperature.

Non-displacement water baths: This type of water bath relies primarily on convection rather than water that is evenly heated. Therefore, it is less precise in terms of temperature control. Additionally, there are add-ons that provide agitation to non-circulating water baths to create more uniform heat transfer.

What is a circulation bath?

Heating circulation baths with a stainless steel bath allow temperature control of internal and external thermoregulation tasks. Items can be directly thermoregulated by placing them in a thermostat bath and control of externally connected applications is also possible.

It is a thermostatic equipment used in chemical research laboratories to transfer heat indirectly, by thermal convection, to a sample that requires analysis. Thanks to these equipments, the heat transfer is carried out in a uniform way to the sample. It has many categories of equipment, depending on the use that you want to give it, which can perform from very basic tasks to multiple tasks simultaneously, among them we can mention:

• Liquid circulation and cooling baths: This equipment aims to cool the samples at low temperatures, which can reach -15 ° C in a pre-established range of time.
• Thermostatic bath: This type of bath can achieve hot and cold temperatures, according to the need of its manipulator. It has an alarm that prevents the samples from being subjected to temperatures for longer than necessary and its handling is generally simple.

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