Letter | Published:

Resin Impregnation of Soil Samples

Nature volume 193, page 804 (24 February 1962) | Download Citation

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Abstract

THIN sections of clay soils containing finely divided calcite could not be made satisfactorily unless completely impregnated with resin. The resins most successfully used were ‘Marco Resin SB 28C’ (an unsaturated polyester resin supplied by Scott Bader and Co., Ltd., Wollaston, Wellingborough, Northants.) and ‘Araldite MY 750’ (an epoxy resin supplied by C.I.B.A. (ARL), Ltd., Duxford, Cambridge) (Table 1). They are both isotropic, have convenient refractive indices (‘Marco’, 1.55–1.56; ‘Araldite’, 1.54–1.55), low viscosities and, being thermo-setting, allow long soaking times to be used.

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  1. Pedology Department, Rothamsted Experimental Station, Harpenden.

    • C. B. WELLS

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DOI

https://doi.org/10.1038/193804a0

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