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Methylephedrine


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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
21.8358.6ACDi, Zi-You, et al., 2008Based on data from 79. - 399. K.
30.56361.2DSCLi, Zell, et al., 1999 

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chuck Anderson, Aldrich Chemical Co.
NIST MS number 107881

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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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedOV-101150.1405.Huber, Kenndler, et al., 1979N2; Column length: 2. m
PackedApiezon L160.1426.Huber, Kenndler, et al., 1979 
PackedApiezon L160.1426.Donike and Stratmann, 1976Chromosorb W

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPEG-20M160.2042.Huber, Kenndler, et al., 1979N2
PackedPEG-20M160.2042.Donike and Stratmann, 1976Chromosorb W

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryVF-5MS1430.6Tretyakov, 201430. m/0.25 mm/0.25 «mu»m, He; Tstart: 60. C; Tend: 270. C
CapillaryCBP-11363.Oyama, Sano, et al., 1987N2, 6. K/min; Column length: 12. m; Column diameter: 0.53 mm; Tstart: 120. C; Tend: 250. C

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryApieson L / KOH150.1397.Caddy, Fish, et al., 1973 
CapillaryApieson L / KOH150.1405.Caddy, Fish, et al., 1973 
CapillaryApieson L / KOH150.1409.Caddy, Fish, et al., 1973 
CapillaryApieson L / KOH190.1433.Caddy, Fish, et al., 1973 
CapillaryApieson L / KOH190.1437.Caddy, Fish, et al., 1973 
CapillaryApieson L / KOH190.1441.Caddy, Fish, et al., 1973 

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
PackedSE-301400.MHA, 9999Nitrogen, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m; Tstart: 100. C; Tend: 300. C
CapillaryDB-11400.Yashiki, Kojima, et al., 199530. m/0.25 mm/0.25 «mu»m, He, 40. C @ 2. min, 25. K/min, 250. C @ 5. min

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
OtherMethyl Silicone1400.Ardrey and Moffat, 1981Program: not specified

Normal alkane RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M / KOH150.2015.Caddy, Fish, et al., 1973 
CapillaryCarbowax 20M / KOH150.2022.Caddy, Fish, et al., 1973 
CapillaryCarbowax 20M / KOH150.2027.Caddy, Fish, et al., 1973 

References

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Di, Zi-You, et al., 2008
Di, Cui; Zi-You, Gao; Xiao-Mei, Zhao, Cascades with coupled map lattices in preferential attachment community networks, Chinese Phys. B, 2008, 17, 5, 1703-1708, https://doi.org/10.1088/1674-1056/17/5/028 . [all data]

Li, Zell, et al., 1999
Li, Z. Jane; Zell, Mark T.; Munson, Eric J.; Grant, David J.W., Characterization of racemic species of chiral drugs using thermal analysis, thermodynamic calculation, and structural studies, J. Pharm. Sci., 1999, 88, 3, 337-346, https://doi.org/10.1021/js980205u . [all data]

Huber, Kenndler, et al., 1979
Huber, J.F.K.; Kenndler, E.; Reich, G., Quantitation of the Information Content of Multi-Dimensional Gas Chromatography and Low- Resolution Mass Spectrometry in the Identification of Doping Drugs, J. Chromatogr., 1979, 172, 1, 15-30, https://doi.org/10.1016/S0021-9673(00)90941-5 . [all data]

Donike and Stratmann, 1976
Donike, M.; Stratmann, D., Gas-chromatographische identifizierung von stimulantien der phenyläthylaminreihe mit hilfe der retnetions-indices, Z. Anal. Chem., 1976, 279, 2, 129-131, https://doi.org/10.1007/BF00440798 . [all data]

Tretyakov, 2014
Tretyakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Oyama, Sano, et al., 1987
Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K., Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices, Eisei Kagaku, 1987, 33, 5, 342-348, https://doi.org/10.1248/jhs1956.33.342 . [all data]

Caddy, Fish, et al., 1973
Caddy, B.; Fish, F.; Scott, D., Chromatographic screening for drugs of abuse using capillary columds. II. Peak identification on support coated open tubular columns for a series of central nervous system stimulating drugs, Chromatographia, 1973, 6, 7, 293-300, https://doi.org/10.1007/BF02269329 . [all data]

MHA, 9999
MHA, Directorate of ForensicScience., Forensic Toxicology, 9999. [all data]

Yashiki, Kojima, et al., 1995
Yashiki, M.; Kojima, T.; Miyazaki, T.; Nagasawa, N.; Iwasaki, Y.; Hara, K., Detection of amphetamines in urine using head space-solid phase microextraction and chemical ionization selected ion monitoring, Forensic Sci. Int., 1995, 76, 3, 169-177, https://doi.org/10.1016/0379-0738(95)01819-0 . [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]


Notes

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