2.1 preparing the solution for analysis -Preparation of standard solution of acid Gallery (standard solutions of gallic acid) to create a standard curve (calibration curve).
2.1 Preparation of solution for analysis - Preparation of standard solution of gallic acid (standard solutions of gallic acid) to create a standard curve (calibration curve).
2.1 solution preparation for analysis.- Preparation of standard solution of acid Gaelic (standard solutions of gallic acid) to create a standard curve (calibration curve).