Sturdy sheet steel housing refrigerators with spark free interior for daily laboratory use in any environment from research, universities or industrial laboratories.
The cabinets are manufactured from sturdy sheet steel housing with impact proof and jolt resistant powder coating. The robust, insulated housing with highly efficient components ensure maximum energy efficiency.
The interior is high quality strong white PS plastic.
The door is lockable and supplied with a right hand hinge as standard (though this can easily be converted to left hand hinge). The tight door seal is maintained by an all-round magnetic gasket.
Temperature is continuously adjustable from +1°C to +15°C and a room thermostat ensures constant control. The digital temperature display allows the interior temperature to be easily read, while the high performance fan gives even temperature distribution inside.
Models EX 220, 300 and 490 also feature a "fan stop" function to switch the fan off when the door is opened.
A sample becomes more saturated with colour as the path length or concentration increases.
(Specifically, the relationship of the absorption of light to the properties of the material through which the light is travelling).
The diagram below shows Platinum Cobalt solution of 500 in various path length cells:
The cells used are, from left to right:
6", 5.25", 100mm, 3", 50mm, 40mm, 1", 20mm, 10mm, 1mm.
The exact same sample in a 6" cell appears vastly different to that in the 1mm cell. As can be clearly seen, the saturation of the colour increases with the path length. The same is true when the concentration of a sample increases, then so does the saturation of the colour.
This proves the importance when communicating colour: it is essential to specify the path length of the cell.
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