| 摘要 |
This true density measurement device (10) is a device for measuring the true density of a sample (100) by a gas phase substitution method, and is provided with a sample chamber (30) for housing the sample (100), and a lid (42) for providing closure to an opening (31) of the sample chamber (30). The lid (42) is a non-rotating lid that is pressed against the rim of the opening (31) to hermetically seal the sample chamber (30). |
