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The efficiency of bioscouring treatment applied on 50 % of flax + 50 % of cotton material by determination of the residual Ca2+ was studied. The treated samples were analyzed using a spectrophotometric method based on the measuring of the colour strength [K/S] of the bioscoured material after dyeing with Ruthenium red and Alizarin. The reflectance (R %) at 540 nm was measured and [K/S] values were calculated [1, 2]. The purpose of bioscouring was the removal of morphological impurities present in the cotton and fl...

The influence of ultrasound energy on bioscouring treatment applied on a 50 % of hemp + 50 % of cotton woven fabric was studied. The aim of the bioscouring treatment was the removal of the natural cellulose attendants for better fabric properties. The treatment conditions were: variable concentration between 1-3 % (o.w.f.) of the commercial enzyme product Beisol PRO, which is a mixture of pectinases from Bezema Company, Switzerland, 2 g/L of the complexing agent EDTA, 0.5 % of wetting agent Denimcol Wash RGN, phos...