2017年1月12日星期四

Types of water bath?


Working in a chemistry lab emerges the need of various types of laboratory equipment like glassware, burettes, laboratory water bath, china dish, distillation setups, test tubes etc. Although all the instruments play very important role in concluding any result from the experiments, but there are some procedures that are not possible to accomplish without water bath. It is a device that is used in various laboratories to incubate the solutions in water keeping the temperature constant. One can modify temperature either with the help of digital switches or by the dial. Once the temperature is set, the system will automatically switch on and off the instrument.
There are different varieties of water baths available in market like stirring type, shaking type, simple heating etc. Laboratory water baths are used in research labs, industries, pharmacy labs, government research laboratories and academic facilities.
Below are different types of water baths that can be used for carrying solution examinations:

Unstirred water bath
They are inexpensive, simple and easy to use, comes with least accurate temperature control due the convection circulation of water. The fluctuation in temperature is due to uneven heating of H2O.

Stirred Water Baths
The stirred water baths come with precise temperature control that comes with embedded circulator. These are used in the serological and enzymatic experiments. The thorough circulation of liquid helps in maintaining an even temperature.

Shaking Water Baths
These are advanced devices that come with shaking platform tray which moves to and fro in direction. The orbital motion is controlled by the adapters that hold the vessel and prevent falling. Shaking water baths are usually used in microbiological practices like the growth of cell cultures.

Cooled water baths
The integrated cooling system is combined into the laboratory water bath. In some systems, water temperature is maintained with the immersion thermostat that circulates the coil and lowers down the temperature. The immersion thermostat will automatically control the temperature required by you.

Boiling water bath
Boiling water baths are designed with analogue control that modifies the temperature set by the user. The analogue control maintains the heat by slimming up to boiling; it has a water level apparatus that does not allow the device to run dry. The device is integrated with an overload temperature cut-out thermostat that cut stop it when temperature reaches the maximum. The flat lid of boiling water bath comes with small holes with unconventional rings that can accommodate different flask sizes. You can purchase them according to the number of holes required in performing experiments.
solid surface bathtub

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