Abstract: We developed a set of certified reference samples of solid substances with open porosity (imitators) (OPGP SO UNIIM set) GSO 11116-2018/GSO 11119-2018 in the form of ceramic cylinders based on aluminum oxide. The certified values of open porosity are determined by the method of gas pycnometry. The reference specimens are intended for the certification of the procedures of measurements and checking of the accuracy of the data of measurements of open porosity in the course of petrophysical investigations of cores and slime under the laboratory co...
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