M. G. Ahmed

Reliability of Argon Triple Point Cells Materializing the ITS-90 Temperature Fixed Point

M. G. Ahmed · Physical Science International Journal · 2014

The triple point of argon is one of the defining fixed-points of the International Temperature Scale of 1990, ITS-90. Its value was assigned to be 83.8058 K by ITS-90. The thermal metrology laboratory of the National Institute for Standards, NIS has chosen, several years ago, to...