Secondly, the determination of experimental route and the design of orthogonal table.
Three, the preparation of raw materials and experimental equipment needed in the experiment process
Four, according to the number of experiments listed in the orthogonal experiment table, arrange experiments.
5. Conduct experiments and record experimental data and phenomena scientifically and seriously.
Six, correctly analyze and judge the experimental phenomenon.
Seven, sorting, calculation and judgment, to determine the best synthesis conditions.
Eight, verify the experimental results.
Nine, complete the experiment report
Ten, after the experiment to check and organize instruments, and clean the experimental site.
Note: Graduation thesis is completed in the process.