Disposable digestion tubes eliminate transfer steps. Approved for hot plate digestions and certified for low metals background.

• Tubes that act as a digestion vessel or storage container and fit perfectly into the HotBlock and AutoBlock 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

Available in:
Cole-Parmer® Environmental Express CertiTube™, Digestion Tubes with Natural Linerless Caps, 50 mL, Rack Lok; 500/Pack
Cole-Parmer® Environmental Express CertiTube™, Digestion Tubes with White Caps, 50 mL, Rack Lok; 500/Pack
Cole-Parmer® Environmental Express UC483 CertiTube™, Digestion Tubes without Caps, 50 mL, Rack Lok; 500/Pack
Cole-Parmer® Environmental Express CertiTube™, Digestion Tubes with Natural Linerless Caps, 50 mL; 500/Pack
Cole-Parmer® Environmental Express CertiTube™, Digestion Tubes with White Caps, 50 mL; 500/Pack
Cole-Parmer® Environmental Express Digestion Tube, PFA with PFA Cap, 50 mL
Cole-Parmer® Environmental Express Digestion Tubes, Natural Screw-Top Caps, PP, 15 mL; 1000/Pk
Cole-Parmer® Environmental Express Digestion Tubes, White Screw-Top Caps, PP, 100 mL; 225/Pk