How to identify if there is fulvic acid in humic acid product?

Simple and rapid way to identify fulvic acid (Some following parts are called FA.) in humic acid products.

1.Question about fulvic acid 

At present, there are many potassium fulvate or potassium humate on the market. A lot of customers ask, how do you know if their products actually contain FA without good testing conditions? In fact, as long as we know the properties of fulvic acid, we can simply identify whether the product contains FA, which is called qualitative in chemistry. Of course, quantitative words also need to pass strict testing to know.Read More