Impingers are small bottles used with an air sample pump to collect airborne hazards into designated collection liquids for analysis. For personal exposure measurement the impinger mounts in a holster accessory near the breathing zone. For area monitoring the impinger is mounted on the side of a pum

Column chromatography, also known as adsorption chromatography. A column is first filled with an insoluble matrix to form a stationary phase, the sample is added to the column and then eluted with a special solvent, and the solvent forms the mobile phase. During the process of elution of the sample

Experimental instruments and utensils required for trace element analysis and detection

The Teflon filter column is made of polytetrafluoroethylene (PTFE) or PFA and FEP, as shown in the picture. If your experiment has pressure, it is recommended to choose the flange structure of the PTFE filter column.

In recent years, microwave digestion technology has been widely used in food, medicine, textile, plastics, geology, metallurgy, coal, biomedicine, petrochemical, environmental monitoring, sewage treatment, cosmetics and many other industries have been widely promoted, following that, there are more