At a certain time, I wanted to obtain 240 milliliters of glycolic acid. Then in the fast, I set up various utensils to make it clean and clean.

First take all the medicines and prepare them according to the prescription. Control its heat in a fine way and observe its changes. The kettle is boiling and rising, the color is gradually changing, and the gas is also different.

Time-shifting, the work is gradually completed. When it is a little cold, use a device to collect 240 milliliters of glycolic acid. Looking at it, the quality is pure and the color is correct. This effort, although laborious and laborious, is very comforting to get this good product. The 240 milliliters of glycolic acid prepared can be used for later use to prepare for all things.