NEW! Disposable macro cuvettes with 4 optically clear sides from BRAND suitable for use in fluorescence applications. Available in high quality polystyrene for measurements from 340nm to 800nm, as well as a proprietary polymer with ultra-low autofluorescence for precise measurements in both the visible and UV-range (230-800nm). Cuvettes have a standard 10mm light path for use in all standard fluorimeters. Packaging is 100 per tray in trays made of low-dust, non-scratching polystyrene, and are grouped by manufacturing mold cavity to ensure the lowest variation in extinction coefficient.