Environmental Express UC475-GN Ultimate Cup, Digestion Cups with Green Caps, 50 mL; 500/Pk

Approved for hot plate digestions and certified for low metals background. Graduated digestion cups are certified for volume to 0.5%. The accurate graduations eliminate the need for graduated cylinders and transfer steps, saving you both time and labor costs. The clarified homopolymer polypropylene construction has greater chemical resistance and heat tolerance than commonly used co-polymer polypropylene vials. These multipurpose cups include screw-top caps with a polyethylene foam liner-only metals free polypropylene and polyethylene come in contact with your sample! Disposable digestion cups eliminate transfer steps Cups that act as a digestion vessel or storage container and fit perfectly into the HotBlock and HotBlock Pro systems. Low metals background and EPA approved for digestions. Accessories include watch glasses, reflux caps, and transfer/storage racks Redesigned for optimum performance! New certificate of analysis ensures low-levels of 68 elements-the industry's cleanest resin Stronger, thicker walls for added durability when digesting with concentrated acids Redesigned thread for a tighter seal Wobble free-deeper bottom dimple provides added stability