Enhanced Serum Carbon Dioxide Measurements with a Silicone Rubber-Based Carbonate Ion-Selective Electrode and a High-pH Dilution Buffer

1996 ◽  
Vol 68 (1) ◽  
pp. 221-225 ◽  
Author(s):  
Jae Ho Shin ◽  
Dong Sik Sakong ◽  
Hakhyun Nam ◽  
Geun Sig Cha
Keyword(s):  
Carbon Dioxide ◽  
Silicone Rubber ◽  
Ion Selective Electrode ◽  
Selective Electrode ◽  
High Ph ◽  
Carbonate Ion

scholarly journals One-component Room Temperature Vulcanizing-Type Silicone Rubber-Based Solid-State Carbonate Ion Selective Electrode

2004 ◽  
Vol 48 (3) ◽  
pp. 266-272
Author(s):  
Mi-Kyoung Kim ◽  
In-Jun Yoon ◽  
Sung-Ho Cho ◽  
Hye-Ra Shin ◽  
Jong-Ho Han ◽  
...  
Keyword(s):  
Solid State ◽  
Silicone Rubber ◽  
Room Temperature ◽  
Ion Selective Electrode ◽  
Selective Electrode ◽  
Carbonate Ion

scholarly journals Fabrication of an All-Solid-State Carbonate Ion-Selective Electrode with Carbon Film as Transducer and Its Preliminary Application in Deep-Sea Hydrothermal Field Exploration

Chemosensors ◽  
2021 ◽  
Vol 9 (8) ◽  
pp. 236
Author(s):  
Chuqing Zhang ◽  
Yang He ◽  
Jianbo Wu ◽  
Manqing Ai ◽  
Wei Cai ◽  
...  
Keyword(s):  
Deep Sea ◽  
Carbon Film ◽  
Hydrothermal Activity ◽  
Electrochemical Analysis ◽  
Southwest Indian Ridge ◽  
Ion Selective Electrode ◽  
Hydrothermal Field ◽  
Selective Electrode ◽  
Carbonate Ion ◽  
Selective Membrane

Real-time measurements of carbonate ion concentrations in the ocean are critical to advancing marine environmental monitoring and research into deep-sea hydrothermal activity. Herein, we report the first example of deep-sea hydrothermal field exploration using a carbonate ion-selective electrode (ISE). The novel carbonate ISE was composed of a Ni wire as substrate, carbon film as transducers and carbonate-selective membrane layers. This paper describes the preparation process of the electrode and characterises its performance via scanning electron microscopy (SEM) and electrochemical analysis. The detection limit of the electrode for CO32− is 2.821 × 10−6 mol/L, the linear response range is 1.0 × 10−5–1.0 × 10−1 mol/L and the Nernst slope was −30.4 mV/decade. In April 2021, the carbonate ISE was mounted on multi-parameter sensors with pH and Eh (redox) electrodes for the search of hydrothermal activity at the Southwest Indian Ridge. The simultaneous potential anomalies appeared at this carbonate electrode with the pH and Eh electrodes when passing through the hydrothermal field. The study of the hydrothermal field was supported by the in situ camera video and the sulphide samples. Additionally, the carbonate electrode provides enhanced information of water chemistry for the study of the hydrothermal field.

Carbonate ion-selective electrode with reduced interference from salicylate

2003 ◽  
Vol 18 (2-3) ◽  
pp. 245-253 ◽  
Author(s):  
Johan Bobacka ◽  
Magdalena Maj-Zurawska ◽  
Andrzej Lewenstam
Keyword(s):  
Ion Selective Electrode ◽  
Selective Electrode ◽  
Carbonate Ion

Measurement of inorganic carbon and photosynthesis in seawater by pCO2 and pH analysis

1968 ◽  
Vol 46 (4) ◽  
pp. 481-485 ◽  
Author(s):  
E. B. Tregunna ◽  
E. Ann Thomas
Keyword(s):  
Carbon Dioxide ◽  
Inorganic Carbon ◽  
High Ph ◽  
Marine Plants ◽  
Carbonate Ion

An infrared carbon dioxide analyzer was used to measure the pCO2 of air in equilibrium with seawater. From the pCO2 and pH of the seawater, the amount of bicarbonate plus carbonate ion could be calculated. These values were also obtained by acidifying the seawater and measuring the amount of carbon dioxide that was released. These methods provide accurate measurements of the concentrations of inorganic carbon which are available for photosynthesis by marine plants. For example, these techniques showed that Iridaea cordatum used bicarbonate ion rather than CO2 during photosynthesis at high pH.

The Technicon RA-1000 evaluated for measuring sodium, potassium, chloride, and carbon dioxide.

1985 ◽  
Vol 31 (3) ◽  
pp. 435-438 ◽  
Author(s):  
R H Ng ◽  
M Altaffer ◽  
R Ito ◽  
B E Statland
Keyword(s):  
Carbon Dioxide ◽  
Potassium Chloride ◽  
Colorimetric Method ◽  
Random Access ◽  
Potentiometric Method ◽  
Ion Selective Electrode ◽  
Selective Electrode ◽  
Sodium Potassium ◽  
High Concentrations

Abstract We evaluated the Technicon RA-1000 "random-access" analyzer for the measurements of sodium, potassium, and carbon dioxide by an indirect potentiometric method (ion-selective electrode) and for chloride by a colorimetric method (mercuric thiocyanate). For various concentrations of control materials the total precision (CV) ranged from 0.9 to 1.2% for sodium, 1.1 to 1.3% for potassium, 1.0 to 1.2% for chloride, and 2.8 to 3.8% for carbon dioxide. The system demonstrated acceptable performance in linearity and carryover. Patients' results from the RA-1000 correlated well with those from the Beckman ASTRA-8. In a study on potential interferences, we found that high concentrations of salicylate and bromide significantly affected measurements of carbon dioxide and chloride, respectively. The RA-1000 requires only 30 microL of sample for all four tests and it offers a high throughout (30 specimens analyzed for the four tests in 25 min). This precise, easy-to-use, random-access analyzer requires minimal maintenance.

New all-solid-state carbonate ion-selective electrode with Ag2CO3-BaCO3 as sensitive films

2016 ◽  
Vol 32 (4) ◽  
pp. 655-660 ◽  
Author(s):  
Yue Zhao ◽  
Chenhua Han ◽  
Yuanfeng Huang ◽  
Wenli Qin ◽  
Xiao Zhang ◽  
...  
Keyword(s):  
Solid State ◽  
Ion Selective Electrode ◽  
Selective Electrode ◽  
Carbonate Ion
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