2008
DOI: 10.1016/j.talanta.2008.03.006
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Determination of chloride in admixtures and aggregates for cement by a simple flow injection potentiometric system

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Cited by 28 publications
(13 citation statements)
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“…In this regard, bromide has been reported to depress the electrode potential even at low concentrations as is the case in seawater [15,27]. This would lead to overestimation of the chloride concentration.…”
Section: Interfering Ionsmentioning
confidence: 97%
“…In this regard, bromide has been reported to depress the electrode potential even at low concentrations as is the case in seawater [15,27]. This would lead to overestimation of the chloride concentration.…”
Section: Interfering Ionsmentioning
confidence: 97%
“…1. It consists of a peristaltic pump (Ismatec, Switzerland) with Tygon pump tubings (Cole-Parmer) of 1.14 mm i.d., an injection device assembled from a set of 3-way solenoid valves (Biochemvalve, USA) [24], a flow through cell of 70 μL volume, 10 mm path length and 3 mm window diameter (Highborn,China), a home-made LED-LDR colorimeter with an analog to digital converter (ADC) device (DI-194, DATAQ, USA), and a personal computer for recording a signal as a FI peaks. All the tubing of the system was made of polytetrafluoroethylene (PTFE) (Cole-Parmer), 0.8 mm i.d.…”
Section: Apparatusmentioning
confidence: 99%
“…A faixa linear de calibração foi de 0,2 a 10 mg L -1 de cloreto e a sensibilidade do método foi considerada boa, se comparado com outros métodos de determinação. 12,13,15,33 Cabe destacar que, com o aumento da massa de amostra e uso de IC com detector por condutividade, é possível reduzir o LOD para até 0,3 µg g -1 . 16 Entretanto, como a concentração de cloreto em cimento é, na maioria dos casos, superior a 20 µg g -1 , 8,16 o método de preparo da amostra utilizando piroidrólise é adequado para a determinação espectrofotométrica de cloreto em cimento.…”
Section: Avaliação Da Exatidão Precisão E Linearidade Do Métodounclassified