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Feasibility study on addition of a colourant to commercially used fire-retardant formulations to enable visual distinguishability between treated and untreated mine support timber
(Stellenbosch : Stellenbosch University, 1991-12)
ENGLISH SUMMARY: The ability to visually distinguish between fire-retardant treated and untreated mining support timber, treated with ammonium sulphate and ammonium phosphate salts, is very difficult. In fact, once ...