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THE determination of melting points is a simple but time-consuming process. Further, accuracy is limited by the observer's reading of a thermometer. The equipment described in this communication ...

Melting point apparatus are used to determine sample melt and are used for applications in pharmaceutical labs, quality control, academia, chemistry and industrial labs, particularly for the purity ...

A SMALL quantity (0.11 gm.) of technetium-99 metal has recently been loaned to us by Oak Ridge Laboratories (U.S. Atomic Energy Commission) and we have taken the opportunity to measure the melting ...

Cosmetics include all sorts of substances that are applied to different parts of the human body for enhancing people’s appearance, for skin-, hair- and nail-care, and for cleansing purposes. This ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...