Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system (2000)
- Authors:
- USP affiliated authors: REIS, BOAVENTURA FREIRE DOS - CENA ; ZAGATTO, ELIAS AYRES GUIDETTI - CENA
- Unidade: CENA
- DOI: 10.1039/a907917c
- Subjects: QUÍMICA ANALÍTICA; QUÍMICA ANALÍTICA INSTRUMENTAL
- Language: Inglês
- Abstract: An automatic flow titrator based on a multicommutated unsegmented flow system was used to perform precipitation titrations with potentiometric detection. The titration approach is based on sequential introduction of increasing titrant volumes into a mixing chamber. The system allows the attainment of complete curves, the titration end point being determined by the Gran method, as is usually employed in batch potentiometric titrations. The theoretical model for the analytical process is presented and discussed and the determination of titrand concentration is performed without any prior calibration. The automatic flow titrator developed was applied to chloride determination in bottled natural waters and the results obtained were reproducible (RSD 3.2 and 3.8% for repeatability and reproducibility, respectively) and in good agreement with those given by the reference procedure (relative deviation within the range from -4.6 to 4.8%)
- Imprenta:
- Source:
- Título: The Analyst
- Volume/Número/Paginação/Ano: v. 125, p. 333-340, 2000
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
-
ABNT
ALMEIDA, C M N V et al. Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system. The Analyst, v. 125, p. 333-340, 2000Tradução . . Disponível em: https://doi.org/10.1039/a907917c. Acesso em: 13 out. 2024. -
APA
Almeida, C. M. N. V., Araujo, M. C. U., Lapa, R. A. S., Lima, J. L. F. C., Reis, B. F. dos, & Zagatto, E. A. G. (2000). Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system. The Analyst, 125, 333-340. doi:10.1039/a907917c -
NLM
Almeida CMNV, Araujo MCU, Lapa RAS, Lima JLFC, Reis BF dos, Zagatto EAG. Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system [Internet]. The Analyst. 2000 ; 125 333-340.[citado 2024 out. 13 ] Available from: https://doi.org/10.1039/a907917c -
Vancouver
Almeida CMNV, Araujo MCU, Lapa RAS, Lima JLFC, Reis BF dos, Zagatto EAG. Precipitation titrations using an automatic titrator based on a multicommutated unsegmented flow system [Internet]. The Analyst. 2000 ; 125 333-340.[citado 2024 out. 13 ] Available from: https://doi.org/10.1039/a907917c - Titulação em fluxo por varredura empregando amostragem binária e detecção potenciométrica: determinação de ácido ascórbico
- Tandem flow analysis applied to food and agricultural samples
- Spectrophotometric determination of pindolol in a multicommutated flow system with on-line compensation of the Schlieren effect
- Multicommutation in flow analysis . Part 3. Binary sampling for sequential determination of iron and chromium in steels
- Amostragem binaria em sistemas de analise quimica em fluxo para a determinacao espectrofotometrica de ortofosfato em vinhos tintos
- Automatic potentiometric flow titration procedure for ascorbic acid determination in pharmaceutical formulations
- Automated spectrophotometric determination of clomipramine on a multicommuted flow system
- A chemiluminescence flow-based procedure for determination of carbaryl in natural waters exploiting multicommutation and enzymatic reaction
- Photochemical-fluorimetric determination of folic acid in a multicommutated flow system
- Multicommutation in flow analysis . Parte 3. Spectrophotometric kinetic determination of creatinine in urine exploiting a novel zone sampling approach
Informações sobre o DOI: 10.1039/a907917c (Fonte: oaDOI API)
How to cite
A citação é gerada automaticamente e pode não estar totalmente de acordo com as normas