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Biomedical Engineering and Bioengineering Commons

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Physical Sciences and Mathematics

1940

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Full-Text Articles in Biomedical Engineering and Bioengineering

I Halogen As A Finish For Wool Ii Formaldehyde As A Finish For Wool Iii Comparison Of Three Textile Detergents , Florence Virginia Barr Jan 1940

I Halogen As A Finish For Wool Ii Formaldehyde As A Finish For Wool Iii Comparison Of Three Textile Detergents , Florence Virginia Barr

Retrospective Theses and Dissertations

Plain-woven cotton, regenerated-cellulose rayon, cellulose-acetate rayon, silk, wild silk, and wool were washed separately by hand in 0.5 percent solutions of neutral olive-oil soap, silicated soap, or sulfated alcohol for five minutes at room temperature, rinsed until the rinse no longer foamed and dried in air and diffused light at room temperature. After ten, twenty, thirty, forty, and fifty washings all the fabrics were analyzed for ash, percentage of light absorbed, shrinkage, wet warp breaking strength, elongation at breaking load, and weight. The silks and wool were analyzed for total nitrogen and sulfate sulfur, the wool for total sulfur ...