Spectroscopy Since 1975

Spectroscopy Articles

Displaying 281–290 of 290 results

Pages

J. Sabine Becker

Central Department of Analytical Chemistry, Research Centre Jülich, D-52425 Jülich, Germany

Issue 14/6 (2002)

Luis Oliveira and Manuel Pais Clemente

CETO – Centro de Ciências e Tecnologias Ópticas, Rua Caldas Xavier, Nº38, 6º E, 4150 Porto, Portugal. E-mail: [email protected]

The study of the mineralogical phases of archaeological ceramics may be very helpful in unravelling the history of an ancient sherd, particularly by means that investigate the process of its production. Micro-Raman spectroscopy offers advantages as a non-destructive, or even better, a non-sampling technique.

Issue 14/5 (2002)

An introduction to photoacoustic spectroscopy.

It is now more than fifty years ago that Felix Bloch and Edward Mills Purcell independently discovered a phenomenon called nuclear magnetic resonance (NMR). Only a few years later, in 1952, both received the Nobel Laureate Physics award for this discovery. Purcell and Bloch were the first to “listen” to the whisperings of hydrogen. They eventually obtained an NMR spectrum representing the different “pitches” of the nuclei, a property, which reflects the physico–chemical (electronic) neighbourhood of the nucleus.

Issue 14/4 (2002)

Chemical imaging spectroscopy is an exciting new analytical advance that answers commonly asked questions such as what chemical species are in a sample, how much of each is present, and most importantly, where are they located? Through the fusion of traditional infrared spectroscopy with powerful microscopic and macroscopic imaging capabilities, chemical imaging spectroscopy answers all these questions simultaneously, in a single rapid measurement.

Issue 14/3 (2002)

This article discusses the development of new Certified Reference Materials (CRMs) for use in determining the essential accuracy and linearity of the Transmission scale of a conventional UV/vis spectrophotometer.

Issue 13/4 (2001)

Ever since the development of inductively coupled plasma-mass spectrometry in the mid 1980s, there have been certain applications or specific analyses that have been regarded as difficult or impossible to address using the technique. This article explores the optimisation of the technique in high matrix samples.

Issue 13/3 (2001)

A stage in the ever-increasing magnetic field strengths in NMR spectroscopy.

Issue 13/1 (2001)

A comprehensive and logically ordered list of categories of ordinate error that can occur in conventional Fourier Transform Spectroscopy.

Issue 7/4 (1995)

Pages