CUVETTES FOR SPECTROPHOTOMETER. Cuvette disposable macro and semi-micro spectrophotometry, 2-sided optical optical path 10mm. PS optical ensures optimum transmission from 340 to 800 nm and in PMMA UV grade from 280-800nm. The variations of the absorption are contained in the 1% condition is extremely important, especially for the analysis in series. Packed in the stands with the cover in styrofoam 100pcs dust proof.