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Water Triple Point
Primary Laboratory Comparisons
NTPL's experience in making the best measurements in ITS-90 Cells.
Water Triple Point
The Water Triple Point – A Reference Cell Close to the ITS-90 Value
A brief history of the Water Triple Point Cell is given leading up to the ITS-90 definition, and an explanation of the main sources of error in a cell.
Water Triple Point
The Water Triple Point Cell – An Optimal Realization
Revisting the Stimpson Ball Cell for an Optimal Water Triple Point.
Water Triple Point
Water Triple Point Analysis Comparing Cells Made From Quartz Against Those From Borosilicate Glass
A comprehensive study of Water Triple Point Cells.
Water Triple Point
A Technical Guide and Standard Practise for the Qualification and Use of Water Triple Point Cells
Different methods to realize the triple point of water for the calibration of thermometers.
Water Triple Point
Water, Ice and the Triple Point – a review of the WTP
Fascinating review of the water triple point - from the Titanic to the isotopic content of water.
Water Triple Point
Water Cell Analysis – 2001 to 2010.
Looking at 100 Cells, includes sample Isotopic Analysis Certificates.
ITS-90 Fixed Points
Practical Limitations of ITS-90 From Mercury Triple Point to the Silver Freeze Point
The paper investigates the properties of thirty four lots of 6N pure metal used to make cells conforming to ITS-90 from mercury through silver over a period of twenty years.
