標準號:IS 1889 Pt.2-1976
發(fā)布日期:1976/5/1 12:00:00
實施日期:1999/12/31 12:00:00
適用范圍:1.1 This standard ( Part II) prescribes Cadoxen solvent method for quanti-tative chemical analysis of binary mixtures of regenerated cellulose fibres and cotton in any textile form, such as fibre, yarn or fabric.Note — Before conducting an analysis according to this method, the fibres present in the mixture should be identified ( see IS : 667-1955〓 ) and the sample to be analysed shall be freed from all non-fibrous matter by the method given in Appendix A. Dye in the dyed fibres is considered to be an integral part of the fibre and is not to be removed.1.1.1 This method is not applicable to mixtures in which the cotton has suffered extensive chemical degradation, nor when the viscose, cupro or modal fibre is rendered incompletely soluble by the presence of certain permanent finishes or reactive dyes that cannot be removed completely.
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