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Showing 556–570 of 2448 results
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Biology
Dialysis tube, 25 mm wide, Ø16 mm
The dialysis tubing is a semipermeable membrane tubing intended for osmosis and diffusion experiments. The tubing is supplied as a 5 meter roll and is 25 mm wide in flat form, while it achieves an internal diameter of approximately 16 mm when filled with liquid.
SKU: FR-038705 -
Biology
Dicot Stem model, small
The model shows the structure of a stem from a dicotyledonous plant. The vascular and spicate parts are marked in clear colours so that students can see the vascular system. The growth zone is shown in yellow-green and the dermis is in dark green, while non-functional wood is shown in light green.
SKU: FR-774575 -
Physics
Diffraction grating, 100 lines/mm
Grating copy encapsulated between two glass plates for protection and flatness. Active grating area approx. 45 × 30 mm; total glass plate size approx. 63.5 × 48 mm. The grating constant (100 l/mm) gives clearly separated diffraction maxima when using common light sources and lasers.
SKU: FR-325000
