4Apparatus and auxiliary aids NOTEAn instrument or item of apparatus is listed only if it is special, or made to a particular specification, usual laboratoryglassware and equipment being assu…

3Reagents 3.1 General All reagents shall be of recognised analytical quality unless otherwise stated. 3.2 Standards 3.2.1 Diisopropyinaphthalene (DIPN) (technical mixture of isome…

1Scope This European Standard describes a method for the determination of the content of disopropylnaphthalene(DIPN) in paper, board and pulp by solvent extraction. The content of disopropyln…