NitroVap is our brand of Nitrogen Evaporator Sample Concentrators. Nitrogen Evaporators are a device that is typically used to concentrate samples before analysis or before a solvent exchange. The nitrogen sample concentrator is used for concentrating or preparing samples in batches. It is used in processes such as drug screening, hormone analysis, liquid phase and mass spectrometry in the analysis of sample preparation. It works by blowing nitrogen in the surface of the sample which is being...