Gas Preparation & Analysis – Central Science Supplies https://centralscience.spiderns.com School and College Science Supplies Tue, 13 Oct 2026 16:14:32 +0000 en-GB hourly 1 https://wordpress.org/?v=7.1.3 HOFFMAN ELECTROLYSIS APPARATUS https://centralscience.spiderns.com/product/hoffman-electrolysis-apparatus/ https://centralscience.spiderns.com/product/hoffman-electrolysis-apparatus/#respond Tue, 13 Oct 2026 16:14:32 +0000 http://centralscience.spiderns.com/product/hoffman-electrolysis-apparatus/ Made of Borosilicate glass, graduated.For study of composition of water by volume and E.C.E. of hydrogen by electrolysis. H-shaped glass unit has two connected limbs, with stopcocks at the top and electrodes at the bottom. Limbs are connected to central tube and bulb reservoir at apex of outer tubes and inner tubes respectively. Outer limbs graduated 0-50 x 0.2ml.
Stable retort stand and clamps included. Includes one pair each of platinum and carbon electrodes. Supplied with Instructions.

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SIMPLE GAS PREPARATION KIT https://centralscience.spiderns.com/product/simple-gas-preparation-kit/ https://centralscience.spiderns.com/product/simple-gas-preparation-kit/#respond Tue, 13 Oct 2026 15:45:25 +0000 http://centralscience.spiderns.com/product/simple-gas-preparation-kit/ Simple gas preparation kit use for producing gasses which can be collected over water, e.g. Oxygen,hydrogen and carbon diooxide. Comprises with plastic tank with lid, test tube stand, five test tube 150x24mm and stopper, special gas chimney shelf,delivery tube and tubing connector. The tank and lid form a storage box for all components.

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Electrolysis Demonstration Glass Cell https://centralscience.spiderns.com/product/electrolysis-demonstration-glass-cell/ https://centralscience.spiderns.com/product/electrolysis-demonstration-glass-cell/#respond Tue, 13 Oct 2026 15:34:26 +0000 http://centralscience.spiderns.com/product/electrolysis-demonstration-glass-cell/ Discover Electrolysis: Electrolysis Demonstration Glass Cell
Unveil the wonders of electrolysis with our Electrolysis Demonstration Glass Cell, designed for quick and effective educational demonstrations. This innovative apparatus consists of an open-ended glass tube equipped with two carbon electrodes, securely held in place by a rubber stopper. It’s a valuable tool for educators and students alike, providing a hands-on approach to understanding the principles of electrolysis.

Key Features of the Electrolysis Demonstration Glass Cell**:**

  • Efficient Electrolysis Demonstrations: Our glass cell is tailored for swift and informative electrolysis demonstrations. The open-ended design allows for easy setup and observation, making it an ideal choice for classroom use.
  • Secure Electrode Connections: The carbon electrodes are connected using reliable crocodile clips. An insulating strip of plastic in the bung ensures that the clips remain isolated, preventing accidental short circuits. This safety feature guarantees a hassle-free and secure learning experience.
  • Durable Glass Construction: Crafted from high-quality glass, this cell is built to withstand the rigors of educational environments. The glass tubes measure 74mm in diameter and 24mm in height, while the collecting tubes have a diameter of 75mm and a height of 10mm. This durability ensures that your electrolysis demonstrations will stand the test of time.

Unlock the mysteries of electrolysis as you watch gases evolve and witness the fundamental chemical reactions taking place within this glass cell. Whether you’re an educator seeking an engaging teaching tool or a student eager to explore the science of electrolysis, our Electrolysis Demonstration Glass Cell offers a clear and captivating window into this essential scientific process.

Our Electrolysis Demonstration Glass Cell is your gateway to a more profound understanding of electrolysis. It provides a safe and efficient platform for educational demonstrations, allowing you to explore the fascinating world of chemical reactions and gas evolution. With secure electrode connections and durable glass construction, this cell is built to facilitate countless experiments, making it an invaluable addition to any laboratory or classroom setting. Embrace hands-on learning and dive into the realm of electrolysis with confidence using our reliable and educational glass cell.

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TROUGH PNEUMATIC, SODA GLASS, DIA 30CM, HEIGHT 12.5CM https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-30cm-height-12-5cm/ https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-30cm-height-12-5cm/#respond Tue, 13 Oct 2026 15:34:24 +0000 http://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-30cm-height-12-5cm/ Made of soda glass.Dia 30 cm, height 12.5cm

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TROUGH PNEUMATIC, SODA GLASS, DIA 25CM, HEIGHT 12.5CM https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-25cm-height-12-5cm/ https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-25cm-height-12-5cm/#respond Tue, 13 Oct 2026 15:08:02 +0000 http://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-25cm-height-12-5cm/ Made of soda glass.Dia 25cm, height 12.5cm

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GAS SYRING https://centralscience.spiderns.com/product/gas-syring/ https://centralscience.spiderns.com/product/gas-syring/#respond Tue, 13 Oct 2026 14:56:52 +0000 http://centralscience.spiderns.com/product/gas-syring/ Graduated glass syringe Gas tight
Heat resistant.
Size:
Outlet tube external diameter: 7mm.
Capacity: 100cm? x 1cm?.

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TROUGH PNEUMATIC, SODA GLASS, DIA 20CM, HEIGHT 12.5CM https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-20cm-height-12-5cm/ https://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-20cm-height-12-5cm/#respond Tue, 13 Oct 2026 14:56:52 +0000 http://centralscience.spiderns.com/product/trough-pneumatic-soda-glass-dia-20cm-height-12-5cm/ Made of soda glass.Dia 20cm, height 12.5cm

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ELECTROLYSIS CELL https://centralscience.spiderns.com/product/electrolysis-cell/ https://centralscience.spiderns.com/product/electrolysis-cell/#respond Tue, 13 Oct 2026 14:55:25 +0000 http://centralscience.spiderns.com/product/electrolysis-cell/ For quick demonstration of electrolysis. Comprises open-ended glass tube fitted with two carbon electrodes by means of a rubber stopper. Connections made by crocodile clips and an insulating strip of plastic in the bung prevents the clips being shorted accidentally. Consists of glass tubes of dia 74 x 24mm, and collecting tubes of dia 75 x 10mm.

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SPARE PLATINIUM ELECTRODES IN RUBBER STOPPERS,OVERALL LENTH 8 CM https://centralscience.spiderns.com/product/spare-platinium-electrodes-in-rubber-stoppersoverall-lenth-8-cm/ https://centralscience.spiderns.com/product/spare-platinium-electrodes-in-rubber-stoppersoverall-lenth-8-cm/#respond Tue, 13 Oct 2026 14:32:51 +0000 http://centralscience.spiderns.com/product/spare-platinium-electrodes-in-rubber-stoppersoverall-lenth-8-cm/ Spare Platinum Electrodes in rubber stoppers, Overall length 8cm

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SALT BRIDGE https://centralscience.spiderns.com/product/salt-bridge/ https://centralscience.spiderns.com/product/salt-bridge/#respond Tue, 13 Oct 2026 14:31:19 +0000 http://centralscience.spiderns.com/product/salt-bridge/ For use in experiments involving the measurement of cell EMF under conditions of forward, zero and reverse current flow. The bridge comprises an inverted ?U? tube with its ends closed by sintered discs. This apparatus provides a more effective method of making reversible cells then the wet filter paper or agar gel methods. Dia. of arms 13 mm, overall width 80 mm, overall height 100 mm

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