Search Results for: Pot scourers
product whiteness. reactive blue production with bromine acid, - diamino acid, cyanuric chloride as raw materials, first - bromo- -amino-acid and acid condensation, and then further with cyanuric chloride for the second second condensation by salting out, filtration, drying was finished. . . the first pot
filter paper in order to bromine acid disappearance of finish). at °c to continue to heat h. completion of the reaction diluted with water to l, stirring min, adding calcium carbonate kg, at - °c stirred min, filtered while hot to remove substandard goods purple dye. and the filtrate placed in the pot...
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