The chemistry of dyestuffs; a manual for students of chemistry and dyeing (1917)
Fort, M, Lloyd, L. L. (Lorenzo L.) · Cambridge [Eng.] University press · leaf 316
FIG. XI. Plant for Manufacture of an Azo Dyestuff. A Vat for diazotising the amine component (with paddle agitator). B Vessel for dissolving second component (phenol or amine). C Coupling vat (with agitator). D Monteju (receiving reservoir). E Filter press. N Vessel for sodium nitrite. … Fia. XII. Special Plant for Manufacture of an Azo Dyestuff. A Autoclave for sulphonatiou, or dissolving, or diazotisation under pressure. B Receiver from A for neutralisation, dilution, etc. if required. C Coupling vat (tandem paddle stirrers). D Vessel for dissolving or diazotising second…
Dyes and dyeing -- Chemistry
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