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A study has been made of the distribution of insectproofing agents (Eulan WA New, Mitin LP and Perigen) between wool and nylon after their dyebath application to blends

By interpretation of X-ray diffraction patterns it has been found that C.I. Pigment Yellow 5 (alpha-[1-hydroxyethylidene]acetanilide-alpha-azo-[2′-nitrobenzene]) is dimorphic, both forms being commercially

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