What is a buffer solution, why is it used and how to prepare it? Watch further in our video to understand all the secrets of making cosmetics with your own hands.
A great article about the importance of pH and buffer solutions in the BEURRE blog - beurre.ua/ua/p...
Preparation of 50 g of citrate buffer solution with pH 6.5. Ingredients:
- sodium citrate - 22.8% or 11.4 g (beurre.ua/ua/s...)
- citric acid - 2.2% or 1.1 n (beurre.ua/ua/k...)
- distilled water - 75% 37.5 g (beurre.ua/ua/d...)
- NaOH 10% solution - to the required pH (beurre.ua/ua/n..., it can be 10-20-30-40 or another number of drops, depending depending on the pH to which you will bring your solution.
6 сен 2024