Investigation of the washing conditions of domestic types of wool
2003
Ristic, M.B. | Janjic, S.D. | Iliskovic, N.V. | Gojic, D.M. (Tehnoloski fakultet, Banja Luka (Bosnia and Herzegovina))
The wool fibers that are obtained in the Republic of Serbs (Bosnia and Herzegovina) have not been systematically analyzed. Also, they are only used in domestic crafts production, not for industrial means. This study is the beginning of a project with the aim of determining how to replace a quantity of imported wool by domestic wool in the process of inductrial manufacturing. The washing of two types of domestic wool was investigated, namely pramenka and polumerino. The parameters used to wash this wool were varied, such as materials for washing (from clean water to surfactants and additives), as well as the temperature and length of the washing process. The effects of washing the wool were tested with respect to the content of clean wool, the content of organic materials soluble in ethanol, the content of herbal components insoluble in sodium-hydroxide solutions and mineral substances, represented as ash quantities. The optimal conditions for washing wool were defined, as well as recommendations for the more economic usage of materials used in washing.
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