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Fresh X‐ray Data for Two Forms of Linear trans ‐quinacridone, C.I. Pigment Violet 19
Author(s) -
WHITAKER A.
Publication year - 1977
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1977.tb03305.x
Subject(s) - pigment , resolution (logic) , chemistry , linear relationship , x ray , high resolution , ultra violet , mathematics , physics , optics , statistics , computer science , organic chemistry , geology , artificial intelligence , remote sensing , optoelectronics
Fresh X‐ray data are given for the β‐ and γ‐ forms of linear trans‐quinacridone (C.I. Pigment Violet 19, C.I. 46500). These new data are better resolved than those reported previously. The new pattern of the γ‐form is compared with the previously reported pattern of γ‘‐form, and it is concluded that the latter pattern could be accounted for by better resolution of the former and the reports of the existence of the γ’‐form should be treated with caution.