RayKol's SPEva Integraded the features of RayKol's Fotector series automated solid phase extraction systems and Auto EVA series automated nitrogen evaporation systems, the new SPEva The SPEVA fully automatic sample purification and concentration instrument has multiple sampling modes, which can easily handle sample pre-treatment in various fields, such as the detection of agricultural and animal residues in food, the enrichment of organic pollutants in large volume environmental water samples, and the detection of toxins in viscous samples such as blood and urine. The innovative pump valve and compact structural design make it characterized by high flux, fast speed, and accurate results, significantly improving the laboratory's testing capabilities.