NS EN ISO 15023-2 : 1ED 2006

Foreword
1 Scope
2 Normative references
3 Determination of properties
Annex A (normative) Determination of volatile-matter content
Annex B (normative) Determination of sodium acetate content
Annex C (normative) Calculation of ash
Annex D (normative) Determination of degree of hydrolysis
Annex E (normative) Determination of viscosity of 4% aqueous
                    solution by the Brookfield Test method
                    or the inclined-tube falling-ball method

Specifies the methods to be used in determining the properties of poly(vinyl alcohol), which is normally prepared by hydrolysis of poly(vinyl acetate) and whose composition comprises vinyl alcohol monomeric units and vinyl acetate monomeric units.