4ml 13-425 screw neck vial, also called wash vial or waste vial, is for cleaning the needles during automatic sampling. 13-425 screw thread caps, septa, and vials are designed for specific use with the Shimadzu and Waters WISP 48-Position Autosampler. 4mL vials are widely used in compound storage as well as for chromatography sample vials. Aijiren 13-425 screw neck vial is generally made of high-quality Borosilicate Glass or 1st hydrolytic class glass. The high-cost performance of this material is the first choice for throughput analysis. The matching polypropylene bottle cap is chemically compatible, and suitable for most chromatographic applications and includes a write-in patch for sample identification. Available with graduated marking spots.
