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.
Characteristics of primary standard substances: A primary standard should satisfy the following requirements: 1. Purity: It should be available in highly pure form. It should also preserve in a pure state. 2. Stability: It should be stable (at 110Ëc- 120Ëc). There is no chemical change occurred. 3.