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Dissolved Oxygen Electrodes

The need to measure dissolved oxygen is widespread throughout industry and academia with analyses being made on many diverse sample types, from blood to boiler feed water. Rank Brothers supply a range of Dissolved Oxygen Electrodes suitable for both routine and research applications.

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Dissolved Oxygen Measurement (.pdf – 1,083KB)

Oxygen Measurement Controllers

For over twenty years Rank Brothers has worked with leading scientists in many fields to develop and evolve a comprehensive range of equipment and accessories for oxygen measurement. During that time thousands of instruments have been supplied throughout the world for routine monitoring, research and teaching.

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Model 300 Magnetic Stirrer

The Model 300 Magnetic Stirrer is a motorless stirrer operated by generating a rotating electromagnetic field in the stirring heads. The liquid is mixed by immersing a magnetised stirring bar in it, this is rotated by the magnetic field produced in the heads.

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Model AET100 Emulsion Tester

The Model AET100 is designed to test the stability of water-based agrochemical emulsions which are widely used in pest control. The turbidity fluctuation analysis technique can quickly and precisely characterise emulsions. This brings significant benefits to testing in the development of new formulations and the quality of manufactured emulsifiable concentrate products.

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Model AET100 Emulsion Tester (.pdf – 582KB)

Photometric Dispersion Analyser

The Photometric Dispersion Analyser (PDA2000) is a simple, rugged, but very sensitive monitor for flowing suspensions and emulsions, based on a new optical technique developed at University College London.

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Photometric Dispersion Analyser (.pdf – 1,375KB)

Micro Electrophoresis Apparatus Mk II

The Micro Electrophoresis Apparatus will determine the electrophoretic mobility of a wide range of suspended particles. It has a wide and established user base in all fields where flocculation, dispersion and surface adhesion are important parameters to control.

Rotating Prism System

The Rotating Prism System is an accessory for the Micro Electrophoresis Apparatus, enabling much faster and easier determination of the particle speed.


Micro Electrophoresis Apparatus Mk II (.pdf – 582KB)

Charge Analyser II

The Rank Brothers Charge Analyser II is a completely automatic polyelectrolytic titrator. The system is microprocessor controlled giving the operator a user friendly interface. Polyelectrolytic titration enables determination of ionic charges of polymers in solution and surface charges of colloids.

Photometer Cell

The Photometer Cell has been designed to enhance the Charge Analyser II by offering an alternative method of performing the polyelectrolytic titration. The CAII originally used a streaming current cell to detect the isoelectric point of the titration, however it is now possible to carry out a photometric titration using Toluidine blue indicator to detect the end point.

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Charge Analyzer II (.pdf – 1,619KB)

 CNC Transfer

CNC Transfer is easy to use software for Windows that enables the download of programs from a CNC to a PC using a serial cable. It will display programs in a window on the PC and allow them to be edited. It allows programs to be stored in an organised manner along with full machine setup details. (Requires a PC running Windows 3.1 or above.)

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