Spectroscopy Spotlight
Geochronology is an exciting area of atomic spectroscopy and earth science research. One of the goals is to answer tectonic questions, and in particular, how the crust responds to continent–continent collision. John M. Cottle, a professor of earth science at the University of California, Santa Barbara, is one of the scientists on that mission. Cottle and his research group are at the forefront of discovery in geochronology, combining both laboratory and field-based research. He spoke to Spectroscopy about his work, his perspective, and his goals for the future. read more
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The annual Emerald Conference is the most technical and comprehensive science conference in the cannabis industry. It is devoted to the free exchange of ideas and fresh insights on topics like cannabis analytical testing, inter-lab comparisons, extraction, and industry best practices. The conference is a perfect fit for analytical chemists, state regulatory agencies, extractors & producers, clinicians, and cannabis testing lab owners.
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Featured Articles
It has been 20 years since 21 CFR 11 came into effect. And with increased emphasis on data integrity, an audit trail is essential for spectroscopy software. Why then do many audit trails fail to meet regulatory requirements? read more
To test the accuracy of residual stress measurements made with portable X-ray devices, measured normal and shear stresses were compared with the applied (true) values for accuracy assessment. From those results, practical measurement and analysis protocols for precise and accurate stress measurements are proposed.
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A method to measure ultrafine silica nanoparticles using ICP-MS/MS to control the elemental and polyatomic ion backgrounds is described here. read more
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Featured News
On September 20, 2017, Hurricane Maria devastated Puerto Rico, leaving the inhabitants without clean water, food, utilities and transportation. As you read this, the infrastructure is slowly being restored. The news you hear, however, doesn't indicate the outsized impact on scientists and their families. The Society for Applied Spectroscopy and Coblentz Society are trying to help. read more
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There has been a resurgence in the application of small-angle X-ray scattering for a large range of problems in materials science. This article highlights experimental requirements and applications, with examples drawn from protein solutions, porous structures, and polymers.
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