Cole-Parmer AO-83200-70 21-G Paired Glass Cuvettes w/PTFE Stopper; Square, 10 mm, 3.5 mL, 2/Pk

Cuvettes come in matched pairs in standard, semimicro, or Micro size, and can be ordered with either a cover of PTFE resin or a stopper of PTFE resin. All cuvettes have a 10-mm pathlength. All pairs are accurately matched to give the same value for the same solution within 1 percent tolerance. Glass cuvettes have a guaranteed 82 percent transmission at 320 nm. Glass cuvettes come with a guaranteed 82 percent transmission at 320 nm with a tolerance within +/- 1 percent 3.5 ml capacity . 10 mm pathlength.