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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
01/08/1995 |
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Data da última atualização: |
01/08/1995 |
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Autoria: |
MARSHALL, C. M.; WALKER, A. F. |
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Título: |
Comparison of a short method for Kjeldahl digestion using a trace of selenium as catalyst with other methods. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Journal of the Science of Food and Agriculture, v.29, p.940-942, 1978. |
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Idioma: |
Inglês |
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Conteúdo: |
A short digestion method for Kjeldahl nitrogen determination, using a trace of selenium as catalyst and described in this paper, gives results comparable to the American Association of Cereal Chemists (1976) method using mercuric oxide catalyst, for all compounds tested except for nicotinic acid. However, nicotinic acid is a minor component of food materials and it is not normally assayed by the Kjeldahl method. Selenium, like mercury, is known to be toxic but mercury ranks more higly than selenium as an environmental problem. |
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Palavras-Chave: |
Determinacao de nitrogenio; Method for Kjeldahl; Nitrogen determination. |
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Thesagro: |
Digestão; Selênio. |
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Thesaurus Nal: |
digestion; selenium. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01187naa a2200217 a 4500
001 1785171
005 1995-08-01
008 1978 bl --- 0-- u #d
100 1 $aMARSHALL, C. M.
245 $aComparison of a short method for Kjeldahl digestion using a trace of selenium as catalyst with other methods.
260 $c1978
520 $aA short digestion method for Kjeldahl nitrogen determination, using a trace of selenium as catalyst and described in this paper, gives results comparable to the American Association of Cereal Chemists (1976) method using mercuric oxide catalyst, for all compounds tested except for nicotinic acid. However, nicotinic acid is a minor component of food materials and it is not normally assayed by the Kjeldahl method. Selenium, like mercury, is known to be toxic but mercury ranks more higly than selenium as an environmental problem.
650 $adigestion
650 $aselenium
650 $aDigestão
650 $aSelênio
653 $aDeterminacao de nitrogenio
653 $aMethod for Kjeldahl
653 $aNitrogen determination
700 1 $aWALKER, A. F.
773 $tJournal of the Science of Food and Agriculture$gv.29, p.940-942, 1978.
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Registro original: |
Embrapa Pantanal (CPAP) |
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