On the website of the International Bureau of Weights and Measurements – BIPM and in international journal Metrologia, volume 55, Technical supplement, 2018 supplementary comparison report in the field of volume of liquid: „Comparison of a 50 mL pycnometer and a 500 mL flask, EURAMET.M.FF.S8 (EURAMET 1297)” was published. In this comparison Directorate of Measures and Precious Metals was pilot laboratory. National metrology institute of Portugal was support to Directorate of Measures and Precious Metals in this project. In total 16 national metrology institutes and 17 laboratories took part in this comparison.