The method distinguishes substances that are identical according to chemical analysis data, but made from different raw materials (for example, ethanol of the same concentration, made from food raw materials, hydrolytic and synthetic).
- BY PRODUCTION TECHNOLOGLES
The method distinguishes substances equivalent to accepted quality standards, made from the same raw materials, but by different manufacturers or at different times.
Products of a high degree of purification, but with subtle gradations of quality, differentiated without the use of expensive methods for the quantitative analysis of impurities.