State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 5. Equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
Electric and optical fibre cables. Test methods for non-metallic materials. Part 301. Electrical tests. Measurement of the permittivity at 23 °C of filling compounds
Copper and complex ores, and products of their processing. Atomic emission spectrometry with inductively coupled plasma method of measurement of copper, zinc, lead, bismuth, cadmium, arsenic, antimony weight fraction
