3B Scientific pH Sensor User Manual
Page 18

3B Scientific GmbH
• Rudorffweg 8 • 21031 Hamburgo • Alemanha •
www.3bscientific.com
Sob reserva de alterações técnicas
•
Verter 20 ml vinagre caseiro diluído na proporção
de 1:10 no copo de vidro.
•
Imergir o eletrodo pH previamente
cuidadosamente limpo até o fundo do copo de
vidro na solução de vinagre.
•
Selecionar a entrada A no 3B NETlog
TM
e ativar a
experiência sobre a determinação da curva de
titulação no Software 3B NETlab
TM
(Template);
aqui se encontram todos os ajustes necessários
para a análise.
•
Executar a experiência e analisar:
Fig. 1:
Determinação qualitativa da curva de titulação do
vinagre
Fig.2:
Titulação de uma solução de vinagre com soda
cáustica
(NaOH)
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