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Acidic properties of Activated Bleaching Earth
As a matter of routine, the acidity of our Tonsil 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 acidic range, special qualities may deviate from it.
June 20, 2017
Humidity of Activated Bleaching Earth
The humidity of Ihe Tonsil leaching 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, a determination can also be made using the Karl Fischer titration method, which, in terms
June 20, 2017
Bleaching Activity of Activated Bleaching Earth
The Bleaching Activity of a Specific Toasil 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 for comparison with a standardised bleaching earth and the bleaching e
July 20, 2017
How is melamine produced?
Melamine was first synthesized in 1834 by the German chemist Justus von Liebig. In early production, calcium cyanamide was first converted to dicyandiamide, and then it was heated above its melting temperature to produce melamine. Today, most industrial manufacturers use urea to produce melamine in
June 09, 2021
How to choose high-quality PVA?
Various excellent properties make polyvinyl alcohol one of the most popular substances in the world. There are two important indicators of polymerization degree and alcoholysis degree. The textile industry uses slightly lower polymerization degree, the adhesive industry uses high polymerization degr
April 03, 2021
March 23, 2021

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