History of the Chemical Heritage Foundation Scientific Instrumentation Museum (PDF)
An overview of the history of the Chemical Heritage Foundation Scientific Instrumentation Museum.
End of the Spectrum: Spectroscopy Used in Anthrax Detection System (PDF)
The debut of a new column about spectroscopy's role in current events. This installment: how spectroscopy is used in anthrax detection.
Test of an In Vivo Method to Detect Chloroplast Division in Crop Plants, Part II: Verification of the Phenomenon by Germplasm Methods and Confocal Microscopy (PDF)
Part two of a series about a novel spectrofluorometric method that allows for in vivo observation of division of chloroplast populations in leaves of Arabidopsis thaliana.
A Statistical Approach to Reporting Uncertainty on Certified Values of Chemical Reference Materials for Trace Metal Analysis (PDF)
The authors discuss an approach by a manufacturer of calibration standards and certified reference materials to standardize the reporting of uncertainty associated with certified values quoted on a certificate of analysis.