Extraction and identification of organic fibres from fibre-reinforced cement composites without asbestos

Differential scanning calorimetry (1,2) is a very easy tool to use for the identification of blended organic fibres in cement composites. It necessitates the careful extraction of fibres from an inorganic matrix after treatment with a dilute formic acid solution. The selective extraction and quantit...

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Veröffentlicht in:	Cement and concrete research 1996-05, Vol.26 (5), p.791-798
Hauptverfasser:	Daude, G., Lasnier, J.M., Guillabert, B., Filliatre, C., Sabouraud, A., Guilhemat, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Buildings. Public works Cement concrete constituents Cements Exact sciences and technology Materials Properties and test methods Properties of anhydrous and hydrated cement, test methods
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Differential scanning calorimetry (1,2) is a very easy tool to use for the identification of blended organic fibres in cement composites. It necessitates the careful extraction of fibres from an inorganic matrix after treatment with a dilute formic acid solution. The selective extraction and quantitative analysis of fibres is realized with specific solvents : isododecane for polyethylene, dimethylformamide for polyacrylonitrile and Schweitzer's reagent for cellulosic fibres.
ISSN:	0008-8846 1873-3948
DOI:	10.1016/S0008-8846(96)85016-2