Establishes a layout for standard methods of analysis of solutions in the visible and near ultra-violet regions. Gives some recommendations for their presentation and wording. The layout is preceded by a clause "Therminology and definitions", which supplements the information given in ISO 6286.
For calculating the true relative density the mass of water displaced by a known masss of dry coke, ground to pass a sieve of nominal size of openings 212 um, is determined using a pyknometer. - The volume of a large amount of coke is determined by displacement in water; dividing the mass of the dried coke by the mass of an equal volume of water gives the apparent relative density. - The porosi…