Conversion of liquid laboratory wastes to a solid form: Precipitating osmic acid with tannic acid and gluten, and embedding cacodylic acid in starch paste

Takuro Murakami; Tetsuro Murakami; Aiji Ohtsuka; Seizo Yamana

doi:10.2220/biomedres.18.183

Conversion of liquid laboratory wastes to a solid form: Precipitating osmic acid with tannic acid and gluten, and embedding cacodylic acid in starch paste

Takuro Murakami, Tetsuro Murakami, Aiji Ohtsuka, Seizo Yamana

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Laboratory wastes containing glutaraldehyde, paraformaldehyde, osmic acid and cacodylic acid were mixed with tannic acid and then with gluten. The osmium/tannin/gluten/aldehyde complex thus precipitated was separated as a cake by paper filtration. The filtrate containing cacodylic acid was supplemented with starch and warmed. This embedded filtrate in starch paste was air-dried together with the filter cake, and stored in a desiccator. The method also appears useful for storage of similar laboratory wastes.

Original language	English
Pages (from-to)	183-185
Number of pages	3
Journal	Biomedical Research
Volume	18
Issue number	2
DOIs	https://doi.org/10.2220/biomedres.18.183
Publication status	Published - 1997

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)

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author = "Takuro Murakami and Tetsuro Murakami and Aiji Ohtsuka and Seizo Yamana",

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T2 - Precipitating osmic acid with tannic acid and gluten, and embedding cacodylic acid in starch paste

AU - Murakami, Takuro

AU - Murakami, Tetsuro

AU - Ohtsuka, Aiji

AU - Yamana, Seizo

PY - 1997

Y1 - 1997

N2 - Laboratory wastes containing glutaraldehyde, paraformaldehyde, osmic acid and cacodylic acid were mixed with tannic acid and then with gluten. The osmium/tannin/gluten/aldehyde complex thus precipitated was separated as a cake by paper filtration. The filtrate containing cacodylic acid was supplemented with starch and warmed. This embedded filtrate in starch paste was air-dried together with the filter cake, and stored in a desiccator. The method also appears useful for storage of similar laboratory wastes.

AB - Laboratory wastes containing glutaraldehyde, paraformaldehyde, osmic acid and cacodylic acid were mixed with tannic acid and then with gluten. The osmium/tannin/gluten/aldehyde complex thus precipitated was separated as a cake by paper filtration. The filtrate containing cacodylic acid was supplemented with starch and warmed. This embedded filtrate in starch paste was air-dried together with the filter cake, and stored in a desiccator. The method also appears useful for storage of similar laboratory wastes.

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Conversion of liquid laboratory wastes to a solid form: Precipitating osmic acid with tannic acid and gluten, and embedding cacodylic acid in starch paste

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