DIN EN 60811-603-2012 电缆和光缆. 非金属材料的试验方法. 第603部分:物理试验. 填充复合物中总酸值的测量 (IEC 60811-603-2012); 德文版本EN 60811-603-2012
Electric and optical fibre cables - Test methods for non-metallic materials - Part 603: Physical tests - Measurement of total acid number of filling compounds (IEC 60811-603:2012); German version EN 60811-603:2012