FIA-FAAS method for tannin determination based on a precipitation reaction with hemoglobin

Autor: Ferreira Edilene C., Souza Gilberto B., Nogueira Ana Rita A.

Publikováno v: Journal of the Brazilian Chemical Society, Vol 14, Iss 2, Pp 329-333 (2003)

A flow system, coupled with flame atomic absorption spectrometry (FIA-FAAS), was developed for tannin determination in pigeon pea samples, exploring the precipitation reaction between tannins and proteins. Sample extracts obtained by sonication with

Externí odkaz: https://doaj.org/article/4cf07902c1d143089f1d37fdf43d5a21

Polyhalite Compared to KCl and Gypsum in Alfalfa Fertilization

Autor: Bernardi, Alberto C. De Campos, Souza, Gilberto B, Vale, Fabio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c76135b965876b22e3b630d8ed71360

Potentiometric determination of urea by sequential injection using Jack bean meal crude extract as a source of urease

Autor: Silva, Fernando V, Nogueira, Ana Rita A ^*, Souza, Gilberto B, Reis, Boaventura F, Araújo, Alberto N, Montenegro, Maria C.M.B.S, Lima, José L.F.C

Publikováno v: In Talanta 2000 53(2):331-336

Desenvolvimento e validação do método QuEChERS na determinação de resíduos de medicamentos veterinários em leite e carne de búfalo

Autor: Brondi, Silvia H. G., Souza, Gilberto B. de, Nogueira, Ana R. A., Camargo, Laís A. de, Majaron, Rafaela F.

Publikováno v: Química Nova v.36 n.1 2013
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 36, Issue: 1, Pages: 153-158, Published: 2013

Analytical methods were developed and validated to determine residues of veterinary drugs in buffalo milk and meat, using the QuEChERS method and gas chromatography-mass spectrometry. Both milk and meat, at 2 g of sample, 4 mL of acetonitrile, 0.8 g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f9e144f89c90a856a8406d8b644edc5e
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000100025

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