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Comparative acute oral toxicity of some mineral pesticides to albino rats.

Krishnakumari, M. K. (1964) Comparative acute oral toxicity of some mineral pesticides to albino rats. Proceedings of the symposium on Pesticides, Mysore. pp. 335-338.

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Abstract

Insecticidal kaolinite, montmorillonite, blea<;hing earth, vermkulite, silica gel, carbon, various commercial dust formulations, and flouridated silica gel (Dri-Die 67) were studied for their relative toxkities. to insects and rats. Bioassay of Dri-Die using TribDlium castaneum adults as test insects showed very high degree of toxicity as compared to other mineral dusts tested. Acute oral toxicity experimenrs on albino rats showed suprisingly high toxicity of Dri-Die to them and the symptoms of acute toxicity were similar to fluorine poisoning. All other test materials such as activated kaolinite, montmorillonite, Tonsil, vermiculite, silica gel and carbon did not induce any acute toxicity symptom in rats even at high level of ingestion but they were highly insecticidal. These stldies revealed that Dri-Die (silica aerogel impregnared with 4-.7 per cent ammonium fluorosilicate) was not a safe insecticide from mammalian toxocity point of view.

Item Type: Article
Uncontrolled Keywords: insecticide, toxicity, Insecticidal kaolinite, minerals
Subjects: 600 Technology > 01 Medical sciences > 17 Toxicology
Divisions: Food Protectants and Infestation Control
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 19 Jun 2014 07:18
Last Modified: 19 Jun 2014 07:18
URI: http://ir.cftri.com/id/eprint/3545

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