The field of the melting point measurements high-purity organic substances today includes a large number measuring instruments used in medicine, biology, and production perfumery cosmetic products. purpose research is to identify features justify approaches development certified reference materials provided with metrological traceability SI base measurement units «temperature» (°C). objectives ...

A review with more than 100 references on the principles and recent developments in the solid-phase extraction (SPE) prior and for in situ near and attenuated total reflection (ATR) infrared spectroscopic analysis is presented. New materials, chromatographic modalities, experimental setups and configurations are described. Their advantages for fast sample preparation for distinct classes of com...