Camphor

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil477.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus445.6KN/AAndersson and Ross, 1992Crystal phase 1 phase; Uncertainty assigned by TRC = 3. K; TRC
Tfus451.3KN/AAndersson and Ross, 1992Crystal phase 1 phase; Uncertainty assigned by TRC = 1.5 K; TRC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
218.2crystaline, IIcrystaline, INagumo, Matsuo, et al., 1989DH
209.1crystaline, IIcrystaline, INagumo, Matsuo, et al., 1989DH

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.201210.crystaline, IIcrystaline, ISchfer, 1953DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.96210.crystaline, IIcrystaline, ISchfer, 1953DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011136.Egolf and Jurs, 19932. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1518.Egolf and Jurs, 19932. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Andersson and Ross, 1992
Andersson, O.; Ross, R.G., Thermal conductivity of (+)- and (±)-camphor at pressures up to 0.5 GPa and temperatures down to 40 K, Mol. Phys., 1992, 76, 433-44. [all data]

Nagumo, Matsuo, et al., 1989
Nagumo, T.; Matsuo, T.; Suga, H., Thermodynamic study on camphor crystals, Thermochim. Acta, 1989, 139, 121-132. [all data]

Schfer, 1953
Schfer, K., Fenomenos de orden y desorden en solidos, An. R. Soc. Esp. Fis. Quim. Ser., 1953, B 49, 161-174. [all data]

Egolf and Jurs, 1993
Egolf, L.M.; Jurs, P.C., Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds, Anal. Chem., 1993, 65, 21, 3119-3126, https://doi.org/10.1021/ac00069a027 . [all data]


Notes

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