Environmental Express UC475-NL Certi Tube, Digestion Tubes with Natural Linerless Caps, 50 mL

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.