Gas Diffusion Apparatus;description  = The unit and its accessories have to be compatible and latest models supplied with all the required spares, accessories, and consumables, and it should comply with the following requirements.;TECHNICAL REQUIREMENT = v A bench top mounted transparent liquid diffusion apparatus used for determination of diffusion coefficients of soluble components in liquid phase.  v U shaped diffusion cell of capillary tube so constructed to permit equi-molar counter diffusion between liquid of different concentration each side of the cell without convective effect.  v Concentration change on one side with time are measured by conductivity sensor and conductivity meter. v A magnetic stirrer is used to mix well and ensure uniform concentration within bulk solution. v Two additional magnetic stirrer bar  v Diffuser Vessel – with capacity 1 to 1.5 litres v Conductivity meters  v Stop Watch v Cartridge deionizer v Data logging accessories interface devise, software and leads, compatible window based PC, printer, PC parallel printer port,  v The data logging accessories o Data logging with real time graphical display o A wide range sampling frequencies and duration o Flexible graphing facilities including rescaling, multiple independent axes, printing and saving data and figures etc.;ADDITIONAL REQUIREMENT = The unit shall be complete in all respect (consisting of all accessories, spares and consumables required for complete analysis of the different sample s), and all the required accessories shall be the latest model and compatible supplied with all associated consumables, accessories and spares for uninterrupted operation during the warranty period.;