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عرض 1801–1815 من أصل 2204 نتائج
Ria Vial
These Polypropylene/Polystyrene tubes are generally used in RIA, Coagulationa and Bacteriology. The Polypropylene tubes are clear and can withstand 3000 RCF during Centrifugation while the transparent polystyrene tubes can withstand 1400 RCF. The PP tubes can accept common acids, alkalies & solvents at room temperature while the PS tubes can acept mild bases, weak acids but not organic solvents.
SKU: VIA10001Ripple Tank
Transparent acrylic plastic ripple tank, supported in a sturdy plastic frame which has recesses to hold four legs with leveling feet. The tank edges are shaped to minimise undesired reflections. Tank has a drain hole closed by a rubber stopper. With two light alloy uprights to carry a horizontal rippler support rod which is adjustable for height. The ripple assembly, elastically suspended from the support rod, consists of a 4 – 6 V DC motor mounted on a wooden beam. The motor has an eccentric weight which causes the beam to oscillate. Two point sources are provided by two plastic spheres, each mounted on a right angle rod. A metal rod is fixed centrally into a socket in one short side of the frame to afford support to the illuminant. Overall size of the tank 580 x 500 x 80 mm, window area 370 x 280 mm, height of tank above bench level (with legs attached) approx. 375 mm. Complete with following accessories :- 1. Two straight obstacles of aluminium alloy length 130 mm 2. One straight obstacle length 40 mm. 3. One curved reflector radius 200 mm. 4. One trapezoidal plastic plate for refraction. 5. One wood hand wave roller. 6. One water dropper. 7. One pkt. rubber bands. 8. One foam plastic sponge. 9.One illuminant with a 12 V, 24 W lamp mounted in a lamp house and provided with a long supporting rod which can be attached to a retort stand. With instructions.
SKU: PH36044Ripple Tank, Dual Purpose
This dual purpose tank is a versatile apparatus allowing all types of waves and wave motion. With illuminator lamp and important accessories included it forms a complete ready to use unit. The unique design and size allows it to be used on an overhead projector as well. Supplied in foam packing and consists of the following components : 1. Ripple Tank 40 x 40 cm. 2. Four push Fit Legs. 3. Ripple motor with eccentric cam, mounted on PVC bar. 4. Three supports for illuminator and the motor unit. 5. Motor hanging clamps. 6. Spring for motor support. 7. Lamp Unit halogen 6 Volts. 8. Concave Perspex Plate. 9. Convex Perspex. 10. Rectangular Perspex Plate. 11. Curved Reflector. 12. Barrier Large. 13. Barrier Small. 14. Plastic Roller Bar.
SKU: PH36068Rocking Microtome
Ideal for elementary student and routine work, well designed and sturdy model to cut comparatively soft wax embedded tissues, ensuring uniformity in the cutting. It can easily section specimens upto 20 mm dia. The thickness of the sections can be varied from 2 microns to 24 microns in steps of 2 microns each. With a set of three object holders, one microtome razor with handle, one honing plate, one bottle oil for lubrication, dust cover and wooden cabinet.
SKU: B10562Rocks Collection
A comprehensive collection of igneous , metamorphic and sedimentary rocks, in wooden box, with partitioned tray containing 50 specimens, each nominally numbered and enclosed in a transparent plastics bag. Specimens may be removed from bags for detailed examination. Each specimen is labelled also on the inside of the box lid, indicating the geological name.
SKU: B19101
