该方法的结果是对材料孔隙度的测量。本方法适用于不含可溶于瓦斯油的物质，且为粒状或颗粒状的物质。它包括在规定的时间内将试验部分完全浸入瓦斯油中，然后在规定的条件下排空和去除多余的瓦斯油，并测量试验部分的质量增加。

The result of the method is a measure for the porosity of the material. The method is applicable to substances which do not contain materials soluble in gas oil and which are prilled or granular. It consists in total immersing of a test portion in gas oil for a specified period, followed by the draining away and the removal of surplus gas oil under specified conditions, and measuring of the increase in mass of the test portion.