MoldPro 15 mL Digestion Tubes (MP-123 and MP-123PN) are certified to class A volume accuracy, include a metals background report and are compatible with leading brand graphite block digestion systems• 1,000 vessels/case • Made from virgin polypropylene • Excellent visibility • Very good resistance to acids • Molded-in graduations are in 1 mL increments to 15 mL • 5, 10 and 15mL graduation lines extend around the entire circumference • Total capacity of 18 mL • Extremely low leachable metal content; each shipment comes with a metals background report • Fit leading brand graphite digestion block systems • Can be used as a digestion vessel, graduated cylinder, volumetric flask, autosampler tube, or storage container • We also offer ribbed watch glasses (MP-128) • Our 15 mL digestion tube is a direct replacement for Environmental Express SC415 and SCP Science 010-515-263 and fit the EE SC196 96 well HotBlock and 15ml DigiPREP Mini, Jr and LS systems.