Cabbage Juice pH Indicator
On the Method of pH Indicator for Kale Juice
There are people who are good at measuring acid and alkali in the world. Kale juice is often used as an indicator, and its wonderful use is very different.
Kale is an ordinary vegetable, but its juice has wonders. Take kale, choose its fresh leaves, clean it, smash it with a utensil, and drain its juice. This juice is the important thing for measuring acid and alkali.
Where the acid and alkali of the measured substance are, fill the juice in a small cup, and drop the tested liquid into it. If the juice turns red, the tested substance is acidic; if the color changes to blue-green, it is alkaline. The change of its color is due to the special properties contained in the juice, and it should be responded to when it encounters acid and alkali. Like a magnet attracting iron, it is natural.
To observe its change, the nature of the discernible substance. In the pharmaceutical industry, it is used to observe the composition of the medicine and ensure its purity; in the matter of farming, it is used to measure the acid and alkali of the soil, and it is appropriate to know the strength to help the harvest.
is a pH indicator for kale juice. Although it is taken from ordinary materials, it has great functions. It is a good method for measuring acid and alkali, and cannot be ignored.
