Abstract
The traditional method for purity determination by analysis of the peak shape of the melting transition has included fitting to a linear relation between sample temperature ( T) and the reciprocal fraction molten ( 1 7 ). This technique, however, necessitates the use of a series of calibrants to determine the proper choice of limits for 1 7 as a function of purity. In this paper, a non-linear relation between T and 1 7 is developed and applied to the determination of metallic impurities in Pb in the range of a few to 1000 parts per million. The results are found to be independent of the range of 1 7 used. The use of differential scanning calorimety in this determination is discussed, and rate effects are also mentioned.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
