A Simple Way To Increase Temperature Control Precision in Student Water/Oil Baths Thermostatic waterloil baths are extensively used in all spheres of scientific activity. Thermostatic baths meant for student use are simple and inexpensive instruments consisting of a vessel, a heating element, and a thermostat that is mostly of capillary type. These contain no provision for stirring the bath fluid. In our experience a simple way to increase temperature control precision in the case of unstirred baths equipped with capillary thermostats is to clamp the thermostat sensor directly to the heating element. Normally the student baths available commercially have the thermostat sensor fitted away from the heating element. We ohserved an improvement in temperature control from i 4 O C to i0.5 T when above suggested modification was introduced into the haths available in our laboratories. Upon modification the inexpensive student haths become suitable for experiments where precise control of temperature is desired, such as in chemical kinetics studies. Saranjlt Slngh and Amarjlt Slngh
Department of Pharmaceutical Sclences Panlab Unlvenity Chandigarh-160014 India
Volume 65
Number 12
December 1986
1095
