GFN stands for various terms. Discover the full forms, meanings, and possible interpretations of GFN across different fields and industries.
A system developed by AFS for rapidly expressing the average grain size of a given sand. It approximates the number of meshes per inch of that sieve that would just pass the sample if its grains of uniform size. It is approximately proportional to the surface area per unit of weight of sand, exclusive of clay.
ChemistryFoundrySandScienceGrafton, New South Wales,Australia
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