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Crystal Engineering on Organic Pigments

Crystal Engineering on Organic Pigments

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Polymorphism of Pigment Red 53:2<br />

Na + salt<br />

�<br />

�<br />

�<br />

�<br />

� (Na + salt)<br />

� (+ � + Na salt)<br />

+ CaCl 2<br />

DMSO<br />

iso-butanole<br />

chlorobenzene<br />

recryst. from<br />

DMAc / H2O ethanole<br />

��(+ �)<br />

1-butanole<br />

acetophen<strong>on</strong>e<br />

�<br />

DMSO<br />

DMSO solvate<br />

*

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