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This Document Has Been Superseded
A newer publication replaces it: BSI BS 2782-7:Method 732D
Methods of testing plastics. Rheological properties -- Determination of viscosity number of polycarbonate moulding and extrusion materials
Conditions for determination in dilute solution:
In dilute solutions, the interactions between solute particles are minimal, allowing for simpler and more accurate determination of properties such as concentration, osmotic pressure, and colligative effects.
Accurate measurements require the solution to be sufficiently dilute so that the solute particles act independently without significant intermolecular forces affecting the results.
Under these conditions, properties depend primarily on the number of solute particles rather than their identity, enabling straightforward application of theoretical models and equations.
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