Breckland Scientific 2021 Catalogue

Gas

Gas Collection & Washing

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1 GAS PREPARATION & COLLECTION KIT - NEW! A kit containing all the component parts needed for the preparation and collection of various gases, over water in a tank. Gases typically generated and collected using this apparatus include Oxygen, Hydrogen and Carbon dioxide. The kit includes five gas collection tubes (150 x 24mm) and rubber stoppers, a test tube stand, thistle funnel, test tube with side arm, delivery tube and connector, glass beehive shelf with chimney, and plastic tank with lid, which doubles- up as a storage container for all the components. Cat No. Description Price Per GAS-400-100 Gas Preparation & Collection Kit 37.78 Kit

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Gas Preparation & Collection Kit

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Gas Diffusion

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2 CONVECTION IN AIR APPARATUS Metal box with sliding plate glass front and two glass chimneys. Cat No. Description Price Per HPG-400-100 Convection in Air Apparatus 26.05 ea. HPG-400-150 Spare Chimneys 8.39 pr 3 WHITLEY BAY SMOKE CELL For the observation of ‘Brownian Motion’ in smoke particles. Consisting of a box with plastic lid as well as flanges that allow easy attachment to standard microscopes. The box contains a smoke cell, cylindrical condensing lens and a 12V, 3W festoon bulb. The apparatus has been preset to focus the light at correct height. The set is supplied complete with detailed instructions and a squeeze-bottle type smoke generator. Dimensions: 90 x 46 x 20mm. Cat No. Description Price Per HPG-750-100 Whitley Bay Smoke Cell 25.70 ea. 4 WHITLEY BAY SMOKE CELL - LED An updated version of the Whitley Bay Smoke Cell which uses an LED light source instead of a standard festoon bulb. Cat No. Description Price Per HPG-800-100 LED Whitley Bay Smoke Cell 27.76 ea. 5 GAS DIFFUSION TUBE An open-ended, 500 mm long borosilicate glass tube, ideal for the ‘diffusion of gases experiment’. Cotton wool soaked in concentrated ammonia solution is placed in one end of the tube and cotton wool with concentrated hydrochloric acid is placed in the other end. Both ends are stoppered with bungs, to contain the fumes. The gases diffuse along the tube from both ends, and where they meet a white ring of ammonium chloride forms. Tube ends have been fired (smoothed), for safety purposes. Supplied without stoppers (33 mm or 35 mm solid stoppers required). Cat No. Description Length O.D. Wall Price Per TUG-200-050 Diffusion Tube 500mm 40mm 2.3mm 17.25 ea.

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Convection in Air Apparatus

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Whitley Bay Smoke Cell

LED Whitley Bay Smoke Cell

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Rubber stopper

Glass tube

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Ring of NH 4 Cl forms

Cotton wool with conc. HCl

Cotton wool with conc. Ammonia

Gas Diffusion Tube

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