pH value determination
pH-value of aqueous extract DIN EN ISO 3071 specifies a method for determining the pH value of textiles. A defined amount of the textile is
pH-value of aqueous extract DIN EN ISO 3071 specifies a method for determining the pH value of textiles. A defined amount of the textile is
DIN EN 1811 describes a method for determining the release of nickel from metal parts. For coated metals, an abrasion process according to DIN EN