Who is NIST and what do they do? NIST traceable calibration is an assurance program that certifies that a laboratory or manufacturer is fully equipped to calibrate equipment to National…

Have you given much thought to how Surgeons are able to use the same surgical tools many times without passing the germs from one person to the next person they…

Although most chemists take classes in the theory of gas chromatography (GC), they learn operation and troubleshooting mostly through hands-on operation and laboratory lore. Thanks to the World Wide Web,…

Fortunately, the explosion occurred at night and no one was present in the laboratory when a small steel compressed gas lecture bottle ruptured violently, destroying the hood it was stored…

Sorption describes the actions of absorption and adsorption - desorption is the opposite of sorption. Adsorption and absorption are important processes that occur in chemistry and biology. It is important…

Solid-phase extraction (SPE) is a sample preparation process by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to…

Scientists identify the molecules that make our clothes smell Dirty laundry smells bad because of certain chemicals called volatile organic compounds, which can’t always be washed out on an eco-friendly…

In a Gas Chromatograph, separation of different constituents of a sample occurs in the column. This makes the column a very important component in gas chromatography. GC columns are basically…

The history of balances and scales dates back to Ancient Egypt. A simplistic equal-arm balance on a fulcrum that compared two masses was the standard. Today, scales are much more…

Fig 1: PG Instruments T80+ UV-Visible Spectrophotometer. UV-VISIBLE SPECTROPHOTOMETER A spectrophotometer is an instrument that measures the amount of light absorbed by a sample. The use of spectrophotometer is based…

While no company would ever put profits ahead of the safety and satisfaction of its customers, tension does exist in some companies when labs are viewed as impediments to increased…

Atomic Absorption Spectrophotometer, AAS is used to measure the concentration of a specific element, in a given sample. In an AAS, the sample is atomized and a beam of electromagnetic…

The Flame Ionization Detector (FID) is the most widely and successfully used gas chromatographic (GC) detector for analyzing volatile hydrocarbons and many carbon containing compounds. It is highly reliable, provides…

There is no gainsaying that quality laboratory equipment is imperative to the optimal running of any laboratory. The costs of not using quality laboratory equipment includes but not limited to…