DS DS/EN 50267-2-3
DS DSEN 50267-2-3 1998-AUG-14 Common test methods for cables under fre condtons - Tests on gases evolved durng combuston of materal from cables - Part 2 Procedures - Secton 3 Determnaton of degree of acdty of gases for cables by determnaton of the weghted average of pH and conductvty