Bleaching earths is also inspected. To do this,
the residual acid content and the pH value of the
aqueous extract is determined. Usually, the pH
value is located in the weak aci...более
Bleaching earths is adjusted to 3-9% in our combined grinding and drying facility, and checked on every single consignment at the goods dispatch inspection. If specially requested,...более
Quality should, as far as possible, remain constant. Guaranteeing this is one of our most important tasks. To determine whether this is being done, bleaching tests are carried out ...более