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Different Bath in Chemistry P5
- Thread starter diwash
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Water Bath is used in case of alcohols or any flammable solutions
Ice Bath is to reduce the temperature of a reaction or rather change the state of a compound or so..
& where the heck did you come across sand bath & oil bath?
Ice Bath is to reduce the temperature of a reaction or rather change the state of a compound or so..
& where the heck did you come across sand bath & oil bath?
Oil baths can be heated hotter (above 100 °C) and will not have the problem of drying out due to evaporation or boiling. An oil bath provides an even source of heat whose temperature can be closely controlled. A simple oil bath can be made by heating a dish of oil on a hotplate. The temperature of the oil can be monitored by a thermometer. It is most suitable, in combination with a hotplate, for heating something at a high temperature (depending on the oil used) or at constant temperature for an extended period of time. The disadvatage of an oil bath is the long time required to bring it to the desired temperature, splattering if it gets contaminated with water and the possibilty of spilling the hot oil.
A sand bath is a convenient source of heat for micro-scale reactions. A sand bath warms up much more slowly than a steam bath. Unlike the hot water and steam baths, a sand bath can provide temperatures that range from near room temperature at the surface up to 200 deg C and above, deep in the sand.
The hot water bath is a useful device for heating at temperatures below 100 degrees Celsius - simply a beaker or steam bath full of hot water, sometimes from the faucet will be hot enough or it might be necessary to heat the water on a hot plate. A stam bath or hot water bath should be used with flammable substances whenever posssible.
for Ice bath dry ice and a suitable organic solvent, such as acetone, can provide temperatures down to about −100 °C (with diethyl ether). Temperatures in the range of -12 °C to -78 °C can be conveniently generated with ethylene glycol / ethanol / dry ice mixtures. Mainly used for slow reactions, such as kinetic control
P.s She was right, water bath is used with flammable liquids, sorry for that. Hope you are clear, iam too
A sand bath is a convenient source of heat for micro-scale reactions. A sand bath warms up much more slowly than a steam bath. Unlike the hot water and steam baths, a sand bath can provide temperatures that range from near room temperature at the surface up to 200 deg C and above, deep in the sand.
The hot water bath is a useful device for heating at temperatures below 100 degrees Celsius - simply a beaker or steam bath full of hot water, sometimes from the faucet will be hot enough or it might be necessary to heat the water on a hot plate. A stam bath or hot water bath should be used with flammable substances whenever posssible.
for Ice bath dry ice and a suitable organic solvent, such as acetone, can provide temperatures down to about −100 °C (with diethyl ether). Temperatures in the range of -12 °C to -78 °C can be conveniently generated with ethylene glycol / ethanol / dry ice mixtures. Mainly used for slow reactions, such as kinetic control
P.s She was right, water bath is used with flammable liquids, sorry for that. Hope you are clear, iam too