Application Notes

Welcome to “Statistics in the Laboratory.” This column will appear four times a year and will build on the popular “Statistics in Analytical Chemistry” series by David Coleman and Lynn Vanatta ... Read More

When SPECTRO Analytical Instruments (Kleve, Germany) sought to redesign its inductively coupled plasma (ICP) spectrometer instrument line, the company’s engineers worked to address some very specific ... Read More

The elucidation of unknown structures, especially those with novel moieties found in natural products, often results in initially incorrect published structures, which then require either exhaustive ... Read More

Improved performance and lifetime of lithium-ion batteries is important for automobile manufacturers that produce cars powered electrochemically by lithium-ion battery packs. Read More

Introduction of gas chromatography samples typically occurs through a heated inlet containing a glass liner. Read More

Common alkali and alkaline earth cations are not considered primary drinking water contaminants, but alkaline water can potentially interfere with water clarification and disinfection procedures and ... Read More

Method development bottlenecks can be minimized with good planning, setup, procedures and techniques. Read More

Important quantitative data can be obtained in the study of viscosity by measuring the consistency of toothpaste, i.e., thickness, ease of handling and ability to retain position, and observing the ... Read More

An oversight or mistake in drug testing can have dire consequences—a positive drug test can ruin the possibility of employment, turn an accident into a lawsuit, or cause a physician to discontinue ... Read More

A compositional analysis may explain the reasons for variations in processing behavior, but is time consuming and expensive. As an alternative, straightforward differential scanning calorimetry (DSC) ... Read More