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NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
McLaren E. H., Murdock E. G., The Freezing Points of High Purity Metals as Precision Temperature Standards. VI. Thermal Analyses on Five Samples of Lead with Purities Greater than 99.999+%, Can. J. Phys., 1960, 38, 577-587. (DOI:) (1960)