The samples shall be exposed to an energetic illumination of 1,200 W/m2 +- 200 W/m2 for a period such that the luminous energy that they receive is equal to 4,500 MJ/m2 +- 200 MJ/m2.
The samples shall be exposed to an energetic illumination of 1,200 W/m2 +- 200 W/m2 for a period such that the luminous energy that they receive is equal to 4,500 MJ/m2 +- 200 MJ/m2.