General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension (ISO 787-9:1981); German version EN ISO 787-9:1995
German title
Allgemeine Prüfverfahren für Pigmente und Füllstoffe - Teil 9: Bestimmung des pH-Wertes einer wäßrigen Suspension (ISO 787-9:1981); Deutsche Fassung EN ISO 787-9:1995
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