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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.
Предыдущая страница:Easthony receipted customers from Russian on 19th Sept,2017.
Следующая страница:Humidity of Activated Bleaching Earth