Essential oils of bergamot, lemon, citron and lime, fully and partially reduced in bergapten. Determination of bergapten content by high-pressure liquid chromatography (HPLC)
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,40 to 0,75m at the frequency range from 8.2 to 40,0 GHz
