Gas chromatography (GC) is a common technique used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. GC is typically used for separating the different components of a mixture, improving the purity of a particular substance, or identifying a particular compound. GC is a ubiquitous technique, and the various GC instruments available are designed to achieve every requirement of the technique.
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Things to consider when starting or running a cell culture laboratory
While there aren’t often obvious signals that your ultralow freezer is about to die, the experts say there are a few things you can look for.
Gas generators have become an alternative to high-pressure gas cylinders for supplying laboratory applications with high purity hydrogen, nitrogen, and zero-air. Until now, there has been no generator option for supplying high purity oxygen. Small pressure swing adsorption (PSA)-based oxygen generators are available for medical applications but do not offer the high purity generally required in the laboratory.
Problem: Bringing samples into a mineralized state is usually the first step for performing accurate inorganic analysis, aka metals trace analysis. This conversion of a usually non-homogenous insoluble mixture into a representative, homogenous aqueous solution using heat and acids is usually a prerequisite for further analysis work with spectroscopic or chromatographic techniques.
5 Questions to Consider When Buying Certified Reference Materials