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Densities of supercooled H2O and D2O in 25 μ glass capillaries
We have measured the densities of supercooled H2O to −34.2 °C, and D2O to −19.2 °C in 25 μ i.d. glass capillaries. Because of the small size of our capillaries, some surface energy effects appear to be present in our data. Despite this we found that reasonably accurate values of the thermal expansiv...
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Published in: | The Journal of chemical physics 1986-05, Vol.84 (9), p.5085-5089 |
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container_end_page | 5089 |
container_issue | 9 |
container_start_page | 5085 |
container_title | The Journal of chemical physics |
container_volume | 84 |
creator | HARE, D. E SORENSEN, C. M |
description | We have measured the densities of supercooled H2O to −34.2 °C, and D2O to −19.2 °C in 25 μ i.d. glass capillaries. Because of the small size of our capillaries, some surface energy effects appear to be present in our data. Despite this we found that reasonably accurate values of the thermal expansivity could be obtained from our data. Our expansivity results support the recent contention of Leyendekkers and Hunter that previous estimates of the anomalous expansivity of supercooled water have been overestimated. The results of a power-law analysis of our expansivity were ambiguous due to the poorly known background expansivity. |
doi_str_mv | 10.1063/1.450660 |
format | article |
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M</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HARE, D. E</au><au>SORENSEN, C. M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Densities of supercooled H2O and D2O in 25 μ glass capillaries</atitle><jtitle>The Journal of chemical physics</jtitle><date>1986-05-01</date><risdate>1986</risdate><volume>84</volume><issue>9</issue><spage>5085</spage><epage>5089</epage><pages>5085-5089</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>We have measured the densities of supercooled H2O to −34.2 °C, and D2O to −19.2 °C in 25 μ i.d. glass capillaries. Because of the small size of our capillaries, some surface energy effects appear to be present in our data. Despite this we found that reasonably accurate values of the thermal expansivity could be obtained from our data. Our expansivity results support the recent contention of Leyendekkers and Hunter that previous estimates of the anomalous expansivity of supercooled water have been overestimated. The results of a power-law analysis of our expansivity were ambiguous due to the poorly known background expansivity.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.450660</doi><tpages>5</tpages></addata></record> |
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source | AIP Journals (American Institute of Physics) |
subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Physics Thermal expansion thermomechanical effects and density Thermal properties of condensed matter Thermal properties of crystalline solids |
title | Densities of supercooled H2O and D2O in 25 μ glass capillaries |
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