Accurate density measurements on a binary mixture (carbon dioxide + methane) at the vicinity of the critical point in the supercritical state by a single-sinker densimeter

Data

[{'id': 81936, 'desc': '6 datapoints in 1 series, quantities: Mass density, system: methane + carbon dioxide'}, {'id': 81937, 'desc': '5 datapoints in 1 series, quantities: Mass density, system: methane + carbon dioxide'}, {'id': 81938, 'desc': '153 datapoints in 131 series, quantities: Mass density, system: methane + carbon dioxide'}, {'id': 81939, 'desc': '16 datapoints in 13 series, quantities: Mass density, system: methane + carbon dioxide'}] temp"