X-Ray Diffraction and Infrared Study of the ‘Sulphur Granules’ of Actinomyces bovis Free

Abstract

SUMMARY

Bovine actinomycosis exudate was studied to determine the chemical composition and mineral phase(s) of the so-called ‘sulphur granules’. The major constituents, CaO and PO, accounted for 86–89% of the ashed granules. The granules also contained Na, K, Mg (as oxides) and Cl which added up to 10–14 %. Although the X-ray diffraction patterns indicated only poorly formed apatite; the infrared spectrum could be interpreted as arising from poorly crystallized apatite and/or a partially dehydrated or hydrolysed octacalcium phosphate either or both mixed with anhydrous dicalcium phosphate. The formation of pyrophosphate (44·5 %) in the ignited granules indicated the presence of considerable acid phosphate in the original material.

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1967-03-01
2024-03-28
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