PROCEDURE FOR PREPARING CHEMICALLY BONDED HUMIN ACIDIC OR FULVOL ACIDIC SOLID BEARING FROM SILICA GEL

摘要

the object of the invention is chemically bound hu0171minsavas procedure or fu0171lvu0151savasszilikagu00e9l solid hu0151rdu0151zu00f3 production.according to the invention elju00e1ru00e1ssu0151ru00e1n kiindu0171lu00f3 substance containing it nitru0151csu0151pu0151rtu0151t szilikagu00e9lthasznu00e1lnak, which concluded in benzu0151lcsu0151pu0151rtju00e1n nitru0151csu0151pu0151rtju00e1tismert mu00f3du0151n inorganic redu0171ku00e1lu00f3szerrel,ditiu0151nittalredu0171ku00e1lju00e1k, nu00e1triu0171m -, and p - containing aminu0151benzamid csu0151pu0151rtu0151t szilikagu00e9ltu00e1llu00edtanak.the p - containing aminu0151benzamid - csu0151pu0151rtu0151t szilikagu00e9ltismert mu00f3du0151n, cu00e9lsze - ru0171en nu00e1triu0171m - diazu0151tu00e1lju00e1k nitrite and hydrochloric acid in an aqueous medium, then 2% aqueous hu0171minsav ancient, preferably ph = 7.5.vagyfu0171lvu0151savu0151ldattal azu0151kapcsu0151lu00e1ssal chemically bound hu0171minsavas vagyfu0171lvu0151savas silica gel solid hu0151rdu0151zu00f3t hu0151znak created.the kiindu0171lu00f3anyagra characteristic is still good, hu0151gy meghatu00e1ru0151zu0151tt composition, u00e1llandu00f3szemcsemu00e9retu0171, good quality, nitru0151csu0151pu0151rtu0151t containing a silica gel.