The titration in the kjeldahl method of nitrogen determination: Base or acid as titrant?

Journal of Chemical Education

Volumn 90, Issue 2, 2013, Pages 191-197

  Michałowski, Tadeusz ^a   Asuero, Agustin G ^b   Wybraniec, Sławomir ^a  

^a CRACOW UNIVERSITY OF TECHNOLOGY   (Poland)

^b UNIVERSITY OF SEVILLE   (Spain)

Author keywords

Acids Bases; Analytical Chemistry; Aqueous Solution Chemistry; Computer Based Learning; Potentiometry; Problem Solving Decision Making; Titration Volumetric Analysis; Upper Division Undergraduate

Indexed keywords

EID: 84873632236     PISSN: 00219584     EISSN: None     Source Type: Journal    
DOI: 10.1021/ed200863p     Document Type: Article

References (33)

1. Kjeldahl, J. Z. Anal. Chem. 1883, 22, 366
2. Bradstreet, R. B. Chem. Rev. 1940, 27, 331
3. Dyer, B. J. Chem. Soc. Trans. 1895, 67, 811
4. Oesper, R. E. J. Chem. Educ. 1934, 11, 457
5. Veibel, S. J. Chem. Educ. 1949, 26, 459
6. Fleck, A.; Mundro, H. N. Clin. Chim. Acta 1965, 11, 2
7. Conklin-Brittain, N. L.; Dierenfeld, E. S.; Wrangham, R. W.; Norconk, M.; Silver, S. C. J. Chem. Ecol. 1999, 25, 2601
8. McKenzie, H. A. Trends Anal. Chem. 1994, 13, 138
9. Barlow, S. M.; Bimbo, A.; Jensen, O. B.; Smith, G. L. J. Sci. Food Agric. 1981, 32, 732
10. Watson, M. E.; Galliher, T. L. Commun. Soil Sci. Plant Anal. 2001, 32, 2007
11. Winkler, J. W. Z. Angew. Chem. 1913, 26, 231
12. Beljkaš, B.; Matić, á.J.; Milovanović, I.; Jovanov, P.; Mišan, A.; Šarić, L. Accredit. Qual. Assur. 2010, 15, 555
13. Takatsu, A.; Eyama, S.; Saeki, M. Accredit. Qual. Assur. 2008, 13, 409
14. Milner, O. I.; Zahner, R. J. Anal. Chem. 1960, 32, 294
15. Sörensen, S. Biochem. Zeitschr. 1907, 7, 45
16. Shaw, W. S. Analyst 1924, 49, 558
17. Ma, T. S.; Zuazaga, G. Ind. Eng. Chem., Anal. Ed. 1942, 14, 280
18. A guide to Kjeldahl nitrogen determination. Methods; Labconco, An Industry Service Publication, http://www.expotechusa.com/catalogs/labconco/pdf/ KJELDAHLguide.PDF (accessed Nov 2012)
19. Kjeldahl Method for Determining Nitrogen, Cole-Palmer resource web page http://www.coleparmer.ca/TechLibraryArticle/384 (accessed Nov 2012), http://www.coleparmer.ca/techinfo/techinfo.asp?htmlfile=KjeldahlBasics. htm&ID=384 (accessed Nov 2012).
20. Michałowski, T. Chem. Anal. 1981, 26, 799
21. Michałowski, T. Calculations in Analytical Chemistry with Elements of Computer Programming (in Polish); PK: Cracow, Poland, 2001; http://www.biblos.pk.edu.pl/bcr&id=1762&ps=-12&dir=MD.MichalowskiT. ObliczeniaChemii.html (accessed Nov 2012).
22. Asuero, A. G.; Michałowski, T. Crit. Rev. Anal. Chem. 2011, 41, 151
23. Inczèdy, J. Analytical Applications of Complex Equilibria; Horwood: Chichester, 1976.
24. Guide-Book for Chemists (in Russian). Nikolsky, B. P., Ed.; Khimia: Moscow, 1964; Vol. 3, p 78.
25. Meites, L., Ed. Handbook of Analytical Chemistry; McGraw-Hill Company: New York, 1963.
26. Kolthoff, I. M.; Sandel, E. B.; Meehan, E. J.; Bruckenstein, S. Quantitative Chemical Analysis, 4 th ed.; The Macmillan Company: New York, 1969; p 790.
27. Laitinen, H. A.; Harris, W. E. Chemical Analysis: an Advanced Text and Reference, 2 nd ed.; McGraw-Hill: New York, 1975; p 115.
28. Thiex, N. J.; Manson, H.; Anderson, S.; Persson, J. A. J. Assoc. Official Anal. Chem. 2002, 85, 309
29. Stover, N. M.; Sandin, R. B. Ind. Eng. Chem., Anal. Ed. 1931, 3, 240
30. Sher, I. H. Anal. Chem. 1931, 3, 240
31. Wagner, E. C. Ind. Eng. Chem., Anal. Ed. 1940, 12, 771
32. Yuen, S. H.; Pollard, A. G. J. Sci. Food Agric. 1953, 4, 490
33. Kantowitz, B. H.; Roediger, H., III; Elmes, D. G. Experimental Psychology, 9 th ed.; Wadsworth: Belmont, CA, 2009.