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In situ Raman mapping for identifying transient solid forms.

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Title: In situ Raman mapping for identifying transient solid forms.
Authors: Nanubolu, Jagadeesh Babu1, Burley, Jonathan C.1
Source: CrystEngComm. 7/28/2015, Vol. 17 Issue 28, p5280-5287. 8p.
Subjects: Solid state physics, Acetaminophen, Hydrates, Raman spectra, Crystal morphology
Abstract: Paracetamol trihydrate is a highly unstable form which undergoes a rapid phase transformation to its stable anhydrous polymorph I. In situ Raman surface mapping on a trihydrate sample provides evidence for the existence of a transient phase on the route to its stable polymorph I. The transient phase showed significant spectral differences from those of known polymorphs, the trihydrate and amorphous forms, and is tentatively assigned to the monohydrate form on the basis of the observed crystallite morphology. [ABSTRACT FROM AUTHOR]
Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Paracetamol trihydrate is a highly unstable form which undergoes a rapid phase transformation to its stable anhydrous polymorph I. In situ Raman surface mapping on a trihydrate sample provides evidence for the existence of a transient phase on the route to its stable polymorph I. The transient phase showed significant spectral differences from those of known polymorphs, the trihydrate and amorphous forms, and is tentatively assigned to the monohydrate form on the basis of the observed crystallite morphology. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1039/c5ce00008d
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Acetaminophen
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      – SubjectFull: Hydrates
        Type: general
      – SubjectFull: Raman spectra
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      – SubjectFull: Crystal morphology
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      – TitleFull: In situ Raman mapping for identifying transient solid forms.
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              Text: 7/28/2015
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