Water quality. Assessment of biodegradability of organic compounds in the aquatic environment. Preparation and processing poorly soluble organic compounds in water for further evaluation
State system for ensuring the uniformity of measurements. State verification schedule for means measuring the power of electromagnetic waves within the frequency range from 37,50 to 53,57 GHz
Tests for electric and optical cables under fire conditions. Circuit integrity. Part 11. Apparatus. Fire alone at a flame temperature of at least 750 °C