2010
DOI: 10.1016/j.talanta.2010.01.057
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A low-cost method for determination of calcium carbonate in cement by membraneless vaporization with capacitively coupled contactless conductivity detection

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Cited by 24 publications
(15 citation statements)
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“…On the other hand, new applications and new fields of applications are still being opened up. C 4 D has been adopted, for example, for chromatography (see, for example, reference [44]) or for flow‐injection analysis 45. One aspect, which the authors feel is important, is the fact that CE‐C 4 D is a simple, yet powerful technique.…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, new applications and new fields of applications are still being opened up. C 4 D has been adopted, for example, for chromatography (see, for example, reference [44]) or for flow‐injection analysis 45. One aspect, which the authors feel is important, is the fact that CE‐C 4 D is a simple, yet powerful technique.…”
Section: Discussionmentioning
confidence: 99%
“…Sereenonchai et al . 111 recently published a system for the determination of carbonate in cement based on the vaporization of CO 2 followed by its collection in an acidic stream and quantification by conductivity measurement. Total organic carbon was determined by Tian and Dasgupta 112 also after conversion to CO 2 using a sequential injection analysis system and a detector similar to a C 4 D. Opekar et al .…”
Section: Broadening Of Scope – C4d In Other Flow‐through Methodsmentioning
confidence: 99%
“…29 The design of the gas conversion tube is applicable and convenient for other gas convertible ions, such as NH4 + /NH3 and HCO3 -/CO2, in solid samples. 19,20 Conclusions A robust, low-energy consumption, and cost-effective manual flow-batch analysis system was successfully developed with a porous membrane based-diffusion scrubber for use in the colorimetric determination of sulfide in turbid water samples without using a conventional pump and valve. This device would be a useful tool for water resource monitoring and management.…”
Section: Benefits Of the Proposed Systemmentioning
confidence: 99%
“…The method is based on the liberation of CO2 gas in acidic conditions from HCO3 -/CO2 in the cement sample to dissolve into the acceptor solution without using a membrane, and finally, measuring the analyte signal by using a capacitively coupled contactless conductivity detection (C4D) at the outlet of the membraneless vaporization chamber. 19 Timofeeva et al reported an adapted gas-diffusion chamber with a membrane to connect with a flow injection analysis (GD-FIA) system for ammonium determination in building materials. 20 The method is based on the generation of ammonia gas from a solid sample by adding a basic solution.…”
Section: Introductionmentioning
confidence: 99%