{"id":1582,"date":"2014-11-18T16:30:15","date_gmt":"2014-11-18T08:30:15","guid":{"rendered":"http:\/\/www.bihec.com\/?p=1582"},"modified":"2014-11-18T16:30:15","modified_gmt":"2014-11-18T08:30:15","slug":"%e7%be%8e%e5%9b%bd-instruquest-inc%e5%85%ac%e5%8f%b8humipyc-model-1-gas-pycnometer%e5%af%86%e5%ba%a6%e5%88%86%e6%9e%90%e4%bb%aa","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/instruquest-inc\/%e7%be%8e%e5%9b%bd-instruquest-inc%e5%85%ac%e5%8f%b8humipyc-model-1-gas-pycnometer%e5%af%86%e5%ba%a6%e5%88%86%e6%9e%90%e4%bb%aa\/","title":{"rendered":"HumiPyc \u2122 Model 1 Gas Pycnometer\u5bc6\u5ea6\u5206\u6790\u4eea"},"content":{"rendered":"

\n\tDesign highlights:<\/span><\/font>
\n\t– Integration of automatic and manually operated pycnometer into one system
\n\t– Integrated temperature control
\n\t– Continuous flow of gas in and out of sample chamber
\n\t– Relative Humidity (RH) and temperature measurements inside the sample chamber
\n\t– Vacuum port (standard in all models)
\n\t– 24-bit data acquisition, high accuracy pressure transducer
\n\t– Independent precision pressure regulation
\n\t– Auto Mode (Windows® operating system) and Manual mode of operation
\n\t– Sophisticated and interactive software for experiment design and control
\n\t– Macro transferring data to Excel for additional analysis
\n\t– All experimental data recorded and available to the user<\/span><\/font><\/span>\n<\/p>\n

\n\tPowerful research idea:<\/span><\/span>\n<\/p>\n

\n\t\tVolumetric density measurements<\/span><\/font> using pressure range from vacuum to 50 psi (345 kPa) and temperature range from sub ambient to 50C, with parallel relative humidity (RH) data (0-100%)<\/span><\/span><\/span><\/span><\/span><\/font><\/span>\n\t<\/li>\n

\n\t\tRH analysis<\/span><\/font> in the pressure and temperature range,<\/span><\/font> sorption and kinetic data<\/span><\/font><\/span> from multiple headspace extraction<\/span><\/span><\/span><\/font><\/span>\n\t<\/li>\n

\n\t\tDesigned especially for true density measurements of fine powders and foams<\/span><\/font><\/span>\n\t<\/li>\n

\n\t\tBubble Point and Pressure Decay Methods<\/span><\/font> for characterization of filters \/membranes <\/span><\/span><\/font><\/span>\n\t<\/li>\n<\/ul>\n

\n\tAdvantages:<\/span><\/font><\/span>\n<\/p>\n

\n\t– Many capabilities in one instrument, high accuracy, and precision<\/span><\/font>
\n\t– Volume and density data obtained at precisely defined temperature, pressure, and<\/span><\/font>
\n\t <\/span><\/font> RH conditions<\/span><\/font>
\n\t– Dual reference chamber for the largest range of volume measurements<\/span><\/font>
\n\t– No sample elutriation during treatment and analysis, designed for fine powders<\/span><\/font>
\n\t– Any sample holder up to about 2" (52mm) O.D., and 2" (52mm) Height<\/span><\/font>
\n\t– Elimination of shortcomings of other pycnometers that use only On\/Off valves<\/span><\/font>
\n\t– Ability of incorporating of additional sensors<\/span><\/font>
\n\t– Multiple headspace extraction capabilities<\/span><\/font>
\n\t– Determination of RH atmosphere caused by solids, liquids, or slurries<\/span><\/font>
\n\t– Availability of equilibration profiles vs. time data for kinetic and sorption studies<\/span><\/font>
\n\t– Foam density measurements (open cell content, other characterizations)<\/span><\/font>
\n\t– Very low cost<\/span><\/font>
\n\t– Small size, (8.7" x 11.4" x 19")<\/span><\/font> 22cm x 29cm x 43cm<\/span><\/font><\/span><\/p>\n