THE DETERMINATION OF AMMONIUM IN KJELDAHL DIGESTS USING THE GASSENSING AMMONIA ELECTRODE. COMPARISON OF THE DIRECT METHOD WITH THE KNOW-ADDITION METHODNUBE M; VAN DEN AARSEN CPM; GILIAMS JP et al.1980; CLIN. CHIM. ACTA; NLD; DA. 1980; VOL. 100; NO 3; PP. 239-244; BIBL. 10 REF.Article

TOTAL NITROGEN DETERMINATION FOR PLANT MATERIAL CONTAINING NITRATE.EASTIN EF.1978; ANAL. BIOCHEM.; U.S.A.; DA. 1978; VOL. 85; NO 2; PP. 591-594; BIBL. 7 REF.Article

KJELDAHL-STICKSTOFFBESTIMMUNG MIT VERSCHIEDNEN KATALYSATOREN = DOSAGE DE L'AZOTE PAR LA TECHNIQUE DE KJELDAHL AVEC DIFFERENTS CATALYSEURSUGRINOVITS M.1980; MITT. GEB. LEBENSMITTELUNTERS. HYG.; CHE; DA. 1980; VOL. 71; NO 1; PP. 124-140; ABS. FRE/ENG; BIBL. 27 REF.Article

ROUTINE DETERMINATION OF NITROGEN BY KJELDAHL DIGESTION WITH-OUT USE OF CATALYSTFLORENCE E; MILNER DF.1979; ANALYST; GBR; DA. 1979; VOL. 104; NO 1237; PP. 378-381; BIBL. 8 REF.Article

IMPROVED KJELDAHL DISTILLATION APPARATUSIVAN M; CLACK DJ; WHITE GJ et al.1978; AUSTRAL. J. INSTRUMENT. CONTROL; AUS; DA. 1978; VOL. 34; NO 3; PP. 63-64; BIBL. 3 REF.Article

EFFECT OF WATER PRETREATMENT ON TOTAL NITROGEN ANALYSIS OF SOILS BY THE KJELDOHL METHODMORAGHAN JT; REGO TJ; SAHRAWAT KL et al.1983; SOIL SCI. SOC. AM. J.; USA; DA. 1983; VOL. 47; NO 2; PP. 213-217; BIBL. 16 REF.Article

THE AMMONIATION OF AGRICULTURAL RESIDUESHAMAD MA; EL SAIED H.1982; J. SCI. FOOD AGRIC.; GBR; DA. 1982; VOL. 33; NO 3; PP. 253-254; BIBL. 6 REF.Article

CONTINUOUS AUTOMATIC NITROGEN DETERMINATION FOR GEL CHROMATOGRAPHY OF PROTEIN ENZYMATIC HYDROLYSATESAMIOT J; BRISSON GJ.1980; J. CHROMATOGR.; NLD; DA. 1980; VOL. 193; NO 3; PP. 496-499; BIBL. 6 REF.Article

APPLICATION OF SPARGING TO THE AUTOMATED ION SELECTIVE ELECTRODE DETERMINATION OF KJELDAHL NITROGENROY RB; JANSEN J; SAHN M et al.1980; J. ASS. OFF. ANAL. CHEMISTS; USA; DA. 1980; VOL. 63; NO 4; PP. 931-936; BIBL. 10 REF.Article

Chromatographic determination of total nitrogen following the Kjeldahl oxidationMOLDOVEANU, S.Journal of chromatographic science. 1988, Vol 26, Num 1, pp 12-14, issn 0021-9665Article

100 Jahre Kjeldahl-Aufschluss zur Stickstoffbestimmung = Un siècle d'utilisation de la méthode de Kjeldahl pour la détermination de l'azote = One hundred years Kjeldahl method fro nitrogen determinationSCHARF, H.Archiv für Acker- und Pflanzenbau und Bodenkunde. 1988, Vol 32, Num 5, pp 321-332, issn 0365-0340Article

EVALUATION OF AN AUTOMATED NITROGEN ANALYSER IN THE CLINICAL LABORATORYHOLBROOK IB.1979; BR. J. CLIN. EQUIP.; GBR; DA. 1979; VOL. 4; NO 2; PP. 62-66; (3 P.); BIBL. 5 REF.Article

A COMPARISON OF A PERSULFATE DIGESTION AND THE KJELDAHL PROCEDURE FOR DETERMINATION OF TOTAL NITROGEN IN FRESHWATER SAMPLESSMART MM; REID FA; JONES JR et al.1981; WATER. RES.; ISSN 0043-1354; GBR; DA. 1981; VOL. 15; NO 7; PP. 919-921; BIBL. 9 REF.Article

DETERMINATION OF NITROGEN IN ORGANIC COMPOUNDS: CONTROL OF VARIABLES IN MICRO AND SEMI-MICRO DETERMINATIONSMCDONALD MS.1979; LAB. PRACT.; GBR; DA. 1979; VOL. 28; NO 9; PP. 927-928; BIBL. 9 REF.Article

ALTERNATE METHOD IS EVALUATED FOR MEASURING N IN RICE TISSUEMAPLES R; FRIZZELL M; WELLS BR et al.1983; ARKANSAS FARM RES.; USA; DA. 1983; VOL. 32; NO 1; PP. 8; BIBL. 2 REF.Article

DOSAGE DE L'AZOTE APRES MINERALISATION SELON KJELDAHL ET FLUORIMETRIE DE L'ION AMMONIUMPELLERIN F; CHABENAT C.1979; ANN. PHARM. FR.; FRA; DA. 1979; VOL. 37; NO 1-2; PP. 21-26; ABS. ENG; BIBL. 15 REF.Article

SOBRE EL EMPLEO DEL ELECTRODO SELECTIVO DE AMONIACO EN LA MICRODETERMINACION (POR KJELDAHL) DEL NITROGENO ORGANICO. = SUR L'EMPLOI D'UNE ELECTRODE SPECIFIQUE DE NH₃ POUR LE MICRODOSAGE (METHODE KJELDAHL) DE L'AZOTE ORGANIQUEVARELA RIAL J; VALDES GONZALEZ J; GONZALEZ CARRERO J et al.1977; ACTA CI. COMPOSTEL.; ESP.; DA. 1977; VOL. 14; NO 2-3; PP. 439-453; BIBL. 11 REF.Article

DIGESTION TUBE DIFFUSION AND COLLECTION OF AMMONIA FOR NITROGEN-15 AND TOTAL NITROGEN DETERMINATIONO'DEEN WA; PORTER LK.1979; ANAL. CHEM.; USA; DA. 1979; VOL. 51; NO 4; PP. 586-589; BIBL. 11 REF.Article

L'EFFET DE L'ION NITRURO-OSMIATE VIII) SUR L'OXYDATION DE NH₃ORSOS P; NYLASI J.1976; MAGYAR KEM. FOLYOIRAT; MAGYAR.; DA. 1976; VOL. 82; NO 10; PP. 488-490; ABS. ANGL.; BIBL. 15 REF.Article

Near infrared reflectance spectroscopic determination of protein nitrogen in plant tissueISAAC, R. A; JOHNSON, W. C.1984, Vol 67, Num 3, pp 506-509Article

Determination of ammonium ion using gas-phase molecular absorption of ammonia with an accumulation stepMACPHERSON, H. B.Atomic spectroscopy. 1983, Vol 4, Num 4, pp 150-151, issn 0195-5373Article

Study of nitrogen pollution in Croatia by moss biomonitoring and Kjeldahl methodSPIRIC, Zdravko; STAFILOV, Trajče; VUCKOVIC, Ivana et al.Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering. 2014, Vol 49, Num 11-12, pp 1402-1408, issn 1093-4529, 7 p.Article

Efficacy of robust analysis of variance for the interpretation of data from collaborative trialsTHOMPSON, M; MERTENS, B; KESSLER, M et al.Analyst (London. 1877. Print). 1993, Vol 118, Num 3, pp 235-240, issn 0003-2654Article

Direct and indirect determination of true protein content of milk by Kjeldahl analysis : collaborative studyBARBANO, D. M; LYNCH, J. M; FLEMING, J. R et al.Journal - Association of official analytical chemists. 1991, Vol 74, Num 2, pp 281-288, issn 0004-5756Article

Periphyton ash weight estimation from residue not digested after hach method of Kjeldahl protein nitrogen analysisAUSTIN, A. P; CLARK, M. J. R; LUCEY, W. P et al.Water research (Oxford). 1990, Vol 24, Num 11, pp 1323-1324, issn 0043-1354, 2 p.Article