# US 2018/0321120 A1 · Nanocondensation Apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0321120 A1 - Document ID: US20180321120A1 - Status: Published application - Kind: A1 - Application number: 15/588,094 - Filed: 2017-05-05 - Published: 2018-11-08 - Earliest claimed: 2017-05-05 - Assignees: University of Wyoming - Applicants: University of Wyoming - Inventors: Mohammad PIRI; Elizabeth BARSOTTI; Soheil SARAJI - Web page: https://patentgrep.com/patent/US20180321120A1 ## CPC - G01N 5/02: by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content {(absorption bulbs B01D53/00)} - G01N 30/06: Preparation - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract The present invention relates to a nanocondensation apparatus comprising a mass comparator, a core holder, an environmental chamber, and a pump and to methods for studying a fluid-solid system with the nanocondensation apparatus. ## Claims ### Claim 1 A nanocondensation apparatus comprising a mass comparator, a core holder, an environmental chamber, and a pump. ### Claim 2 (depends on 1) The nanocondensation apparatus of claim 1, wherein the mass comparator is a high capacity mass comparator. ### Claim 3 (depends on 1) The nanocondensation apparatus of claim 1, wherein the mass comparator is housed outside the environmental chamber. ### Claim 4 (depends on 1) The nanocondensation apparatus of claim 1, wherein a hook or insulated wire is attached to a bottom surface of the mass comparator. ### Claim 5 (depends on 4) The nanocondensation apparatus of claim 4, wherein the hook or insulated wire hangs inside the environmental chamber. ### Claim 6 (depends on 4) The nanocondensation apparatus of claim 4, wherein the core holder hangs from the hook or insulated wire. ### Claim 7 (depends on 1) The nanocondensation apparatus of claim 1, wherein the core holder is selected from: (1) a core holder comprising a body, endcaps, a hanging plate filters, compression fittings, and a modified compression spring; (2) a core holder comprising a body, endcaps, a hanging plate filters, compression fittings, a modified compression spring, and a flexible cylinder encapsulated inside the body of the core holder; (3) a core holder comprising a body, endcaps, a hanging plate filters, compression fittings, a modified compression spring, and spacers attached to the endcaps; and (4) a core holder comprising a body, endcaps, a hanging plate filters, compression fittings, a modified compression spring, a sleeve on the outside of the core body, and a hand crank on the surface of the sleeve. ### Claim 8 (depends on 1) The nanocondensation apparatus of claim 1, wherein the environmental chamber has an operating temperature range of −100° C. to 232° C. ### Claim 9 (depends on 1) The nanocondensation apparatus of claim 1, the operating pressure ranges from vacuum to 10,000 psi. ### Claim 10 (depends on 1) The nanocondensation apparatus of claim 1, wherein the pump is housed outside the environmental chamber. ### Claim 11 (depends on 1) The nanocondensation apparatus of claim 1, wherein the pump is a hydrocarbon-free turbo-molecular pump. ### Claim 12 (depends on 1) The nanocondensation apparatus of claim 1, further comprising a gas chromatograph. ### Claim 13 (depends on 1) The nanocondensation apparatus of claim 1, further comprising between 1 and 9 additional mass comparators and between 1 and 9 additional core holders. ### Claim 14 (depends on 1) A method of studying a fluid-solid system comprising measuring changes in mass of a fluid present in an adsorbent with the nanocondensation apparatus of claim 1, wherein: a) the adsorbent is placed in the core holder; b) a temperature and pressure are set; and c) changes in mass of the fluid are measured with the mass comparator. ### Claim 15 (depends on 14) The method of claim 14, wherein the fluid is selected from the group consisting of at least one simple fluid and at least one reservoir fluid. ### Claim 16 (depends on 14) The method of claim 14, wherein the adsorbent is selected from the group consisting of an ideal adsorbent and a reservoir core. ### Claim 17 (depends on 14) The method of claim 14, wherein the fluid-solid system is at reservoir temperature and pressure conditions. ### Claim 18 (depends on 14) The method of claim 14, wherein the pressure and the mass of the fluid are measured over an equilibrium time at selected time intervals. ### Claim 19 (depends on 14) The method of claim 14, wherein the pressures and masses measured at the selected time intervals are averaged over the equilibrium time. ### Claim 20 (depends on 14) The method of claim 14, wherein the temperature and the mass of the fluid are measured over an equilibrium time at selected time intervals. ### Claim 21 (depends on 14) The method of claim 14, wherein the temperatures and masses measured at the selected time intervals are averaged over the equilibrium time. ### Claim 22 (depends on 13) A method of studying more than one fluid-solid system comprising measuring changes in mass of a fluid present in more than one adsorbent with the nanocondensation apparatus of claim 13, wherein: a) an adsorbent is placed in each core holder; b) a temperature and pressure are set; and c) changes in mass of the fluid are measured with each mass comparator.