Perhaps the most comparable product around is a type of simulated granite, or quartz with resins, that can indeed approach or meet the price of granite at around $35.00 to $80.00 per square foot, depending on color chosen.
Definition of primary standard. 1) A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.
Standardization of NaOH Revised Spring 2004 NF Page 2 of 10 With such a long list of requirements, it is understandable that few substances can be used as primary standards. To determine the concentration of a sodium hydroxide solution through a titration, the primary standard must be an acid.