1887

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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/content/journal/micro/10.1099/00221287-46-3-445
1967-03-01
2019-10-22
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