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VWR® Electrode Holders

Catalog Number: (RDBT002015)

Supplier: VWR Chemicals

Description: Plain borosilicate tubes for insertion of a wire electrode so that the electrode is insulated from the clamp or holder and protected from mechanical damage. The tube also helps the flexible wire electrode be positioned correctly in a rigid support.

UOM: 1 * 100 items

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Accessories for the electrolysis apparatus (HECH)

Supplier: GLASWARENFABRIK KARL HECHT

Description: Educational Materials, Accessories, Application: Physics, Water decomposer, only the glass details

Capillary tube on foot

Catalog Number: (201-0216)

Supplier: GLASWARENFABRIK KARL HECHT

Description: Five communicating glass tubes with different inner diameters. Used to show capillary forces and how they are affected by the inner diameter of the pipes.

UOM: 1 * 1 items

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Communicating tubes

Catalog Number: (765-0969)

Supplier: GLASWARENFABRIK KARL HECHT

Description: Five glass tubes of different shape and inner dimensions. Down to each other. When filling the liquid in the pipes, it is clear that the height of the stowage in the tubes. pipes are independent of the design of the pipes. Comes with foot.

UOM: 1 * 1 items

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Experimentation kits, physical properties of proteins

Catalog Number: (BE-401)

Supplier: G-Biosciences

Description: The physical properties of proteins kit is a lab activity that enables students to investigate the physical properties of several different proteins. Students will learn about protein solubility and how it is affected by various parameters; including temperature, pH, salt and dielectric constant. They will understand about protein precipitation due to pH, high salt and in the presence of organic solvents and about protein denaturation as a result of high temperature. In addition, the kit will demonstrate how non-protein agents, such as detergents drastically alter the physical properties of protein molecules and as a result, understand the importance of detergents in protein solubilisation. This lab activity involves analysis of three different types of pure proteins and then students alter some of those properties with a detergent and re-examine physical properties of those proteins. Students are challenged to consider how physical properties of protein molecules can be exploited for purification and characterisation of proteins and apply their findings on a test sample of complex tissue extract.

UOM: 1 * 1 KIT

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