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Purity Analysis of Highly Purified Materials by Time-Temperature Cryometry

Visual observation of the freezing and melting of compounds in cells used for the determination of purity has uncovered some heretofore unexpected behavior. This behavior has been correlated with certain difficulties experienced in the measurement of purity, particularly when the sample is very pure...

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Detalles Bibliográficos
Autores principales: Ross, Gaylon S., Dixon, Herbert D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1963
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5319454/
https://www.ncbi.nlm.nih.gov/pubmed/31580584
http://dx.doi.org/10.6028/jres.067A.025
Descripción
Sumario:Visual observation of the freezing and melting of compounds in cells used for the determination of purity has uncovered some heretofore unexpected behavior. This behavior has been correlated with certain difficulties experienced in the measurement of purity, particularly when the sample is very pure. Means for partially reducing these difficulties are proposed and procedures for increasing the accuracy of purity measurements are described.