1. The following illustration involving the use of the pycnometer is instructive. 2. Nor does SG _ A depend on the actual volume of the pycnometer . 3. The powder is placed inside a pycnometer of known volume, and weighed. 4. A gas pycnometer can be used to measure the volume of a powder sample. 5. Nor does " RD A " depend on the actual volume of the pycnometer . 6. The pycnometer is then filled with a liquid of known density, in which the powder is completely insoluble. 7. The Pycnometer is then filled with a fluid of known density, in which the powder is not soluble. 8. The powder is added to the pycnometer , which is then weighed, giving the weight of the powder sample. 9. There is also a gas-based manifestation of a pycnometer known as a " gas pycnometer ". 10. There is also a gas-based manifestation of a pycnometer known as a " gas pycnometer ".
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