Calibrating Thermometers

The only way of being confident in a thermometer is to have it calibrated

The temperature values below can be used with a high degree of accuracy to calibrate temperature instruments: 

Application Temperature (oC)
Boiling point of liquid Oxygen -182.7
Melting point of Ice 0.00
Triple point of Water 0.01
Boiling point of Water 100.00
Freezing point of Zinc 419.505
Boiling point of Liquid Sulphur 444.60
Freezing point of Liquid Antiomony 630.50
Melting point of Silver 960.80
Melting point of Gold 1063.00

More values are indicated in the link below:

Check: http://www.isotech.co.uk/tempcal.html

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