Occupational Vat Dyeing Practices in the Kano Metropolis of Nigeria - Part 3: Step-by- Step dyeing processes in relation to industrial practices
In traditional indigo dyeing it takes up to 45 days to ferment (reduce) the dye but with the advent of synthetic vat blue and the development of sodium dithionite the dyeing process becomes relatively short. Additionally, there is no standard process in vat dyeing. The aim of this paper is to assess the step-by-step vat dyeing processes in Kano metropolis in relation to industrial practices. This ...