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