Abstract
The extent of reduction of disulphide
groups in Merino wool by dilute solutions of thiols in aqueous alcohols at 20 �C
has been studied by carboxymethylation of the reduced wool and estimation of
the residual disulphide in the product. The wool fibres remain intact
throughout the process. Under these conditions toluene-ω-thiol was the
most effective agent giving 93% reduction in 2 days, and more than 99%
reduction by repeated reduction-carboxymethylation cycles. With Lincoln wool
100% reduction was achieved.
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