Water Triple Point
Primary Laboratory Comparisons
NTPL's experience in making the best measurements in ITS-90 Cells.
Water Triple Point
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: Cells Made From Quartz vs Borosilicate Glass
A comprehensive study of Water Triple Point Cells.
Water Triple Point
Qualification and Use of Water Triple Point Cells: A Technical Guide
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.
