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A method is described for the determination of nitrogen in nitro, nitroso and azo compounds by a Kjeldahl method without distillation. The compound is reduced with glucose or zinc in methanol and hydrochloric acid. The ammonium sulphate produced after the usual digestion is determined by hypochlorite...
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An inexpensive steam generator and distillation head for nicrokjeldahl determinations is described. The generator consists of a soil moisture pressure plate extractor with heating coils and a water level control chamber. A distillation head and vacuum system is also described which allows for vacuum ...
Norwitz G,Keliher P N.Spectrophotometric determination of phenol by the 4- aminoantipyrine method after steam distillation in a semimicro Kjeldahl apparatus in the presence of a large amount of sodium chloride. Analytica Chimica Acta . 1982
J. Michael GeistSoil Scientist
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