Conclusions
The possibility has been shown of using a Zeiss leucometer for obtaining a comparative reproducible index of the whiteness of fibres processed with OB. The reflection factor of the light from the samples with a blue colour filter can serve as such an index.
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Literature cited
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Additional information
Klin Combine. All-Union Correspondence Institute of Textile and Light Industries (VZITLP). Translated from Khimicheskie Volokna, No. 6, pp. 64–65, November–December, 1969.
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Lapkina, Z.S., Tabachkova, T.P., Raskina, I.K. et al. Determination of the whiteness of viscose fibres processed with optical bleaches. Fibre Chem 1, 690–691 (1971). https://doi.org/10.1007/BF00581211
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DOI: https://doi.org/10.1007/BF00581211