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Liquid Diffusion Coefficients Apparatus
Description & Technical Specification
developed a unique diffusion cell, which overcomes the traditional problem of slow diffusion rates in liquids requiring long observation times, but without sacrificing accuracy or introducing convective effects. Essentially, the cell consists of a honeycomb of accurately dimensioned capillaries, positioned between two liquids of differing concentration of the solute whose diffusion coefficient is to be determined.
In practice, a small volume of concentrated solution is placed on one side of the honeycomb, whilst the other side consists initially of a large volume of pure solvent water. As diffusion of the solute occurs, the concentration within the larger volume increases, and is monitored with a conductivity sensor and meter.
The mixture is continuously stirred with a magnetic stirrer to ensure uniform concentration within the bulk liquid. Whilst the conductivity sensor may be readily calibrated for any required aqueous system, for introductory studies, dilute solutions of sodium chloride are recommended, for which conductivity data is providedTrusted by Ministries, Institutions & Industrial Buyers
For over four decades, Naugra has manufactured and exported workshop tools, laboratory equipment and turnkey training solutions to engineering colleges, TVET institutions, government tenders and industrial buyers across 60+ countries.
Manufacturer-Direct Pricing
Supplied directly from our manufacturing facility — no intermediaries, competitive export pricing and responsive technical support.
ISO 9001 Quality
ISO 9001:2015 quality management, CE compliance and calibration certificates accompany every shipment for procurement and audit compliance.
Tender & Export Experience
Registered vendor for World Bank, ADB, AfDB, UN and Exim Bank-funded tenders. Full bid-preparation, EMD and performance-guarantee support.
Installation & Training
On-site installation, commissioning, operator training and 12-month warranty cover included for institutional orders.
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