NEN EN 14483-4 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus and material
   5.1 Test apparatus: cylindrical vessel
        5.1.1 General
   5.2 Thermostatically controlled liquid bath (containing
        demineralized or distilled water), incorporating a
        stirrer or other rotating device for use with one
        or more pieces of test apparatus. It shall be capable
        of being sealed against loss on evaporation and
        allowing temperatures up to 100 degrees C to be kept
        constant to 0,1 degrees C
   5.3 Thermometer, calibrated and graduated in 0,1 degrees C
        steps, for use with the thermostatically controlled
        liquid bath
   5.4 Drying oven, capable of maintaining temperatures of at
        least 130 degrees C
   5.5 Desiccator, internal diameter of at least 200 mm
   5.6 Polypropylene bottle, of 1000 ml capacity and capable of
        being closed
   5.7 One-mark volumetric flask, 1000 ml capacity and conforming
        to the requirements of class A of ISO 1042
   5.8 Funnel, of maximum diameter of 70 mm
   5.9 Balance, accurate to 0,2 x 10[-3] g
   5.10 Cotton wool
6 Test specimens
7 Procedure
8 Expression of results
   8.1 Total loss in mass per unit area
   8.2 Corrosion rate
9 Hot sodium hydroxide test
   9.1 General
   9.2 Test solution, c (NaOH) = 0,1 mol/l
   9.3 Test temperature
   9.4 Duration of the test
   9.5 Test report
10 Other test solution
   10.1 General
   10.2 Test solution
   10.3 Test temperature
   10.4 Duration of the test
   10.5 Test report
Bibliography

Describes a test method for the determination of vitreous and porcelain enamelled articles to resistance to attack by alkaline liquids at temperatures between 25 degrees C and 95 degrees C.