Conductometer

Manufactured by Mettler Toledo

Sourced in Switzerland, United States

The Conductometer is a laboratory instrument designed to measure the electrical conductivity of a solution. It determines the ability of a solution to conduct an electric current, which is a fundamental property used in various scientific and industrial applications. The Conductometer provides precise and reliable measurements of solution conductivity, enabling users to obtain critical data for their research or process monitoring needs.

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Lab products found in correlation

Delta 320 ph meter, by Mettler Toledo (2 mentions)

Close spelling variants of this product

SevenCompact conductometer (2 citations) Seven Multi pH/conductometer (2 citations)

3 protocols using conductometer

Nanoemulsion pH and Conductivity Characterization

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The pH of the optimized nanoemulsion containing KMO was determined using a Delta 320 pH meter (Mettler Toledo, Columbus, OH, USA). Before pH measurements were taken, the pH meter was calibrated with three pH standard buffer solutions (pH 4.00, 7.00 and 10.00). The pH value was determined by the direct insertion of the electrode into the sample. pH measurement is crucial to make sure that the nanoemulsion containing KMO is compatible with human skin.
Conductivity refers to the measurement of the free amount of water and ions. Conductivity measurements can be used to determine whether the nanoemulsion containing KMO is oil-in-water (O/W) or water-in-oil (W/O) nanoemulsion. The conductivity of the nanoemulsion containing KMO was determined using a conductometer (Mettler Toledo). The electrode was inserted directly into the sample before the conductivity value was measured.

Roselan M.A., Ashari S.E., Faujan N.H., Mohd Faudzi S.M, & Mohamad R. (2020). An Improved Nanoemulsion Formulation Containing Kojic Monooleate: Optimization, Characterization and In Vitro Studies. Molecules, 25(11), 2616.

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Conductometric Titration for Carboxylic Content in CNFs

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The content of carboxylic acid in CNFs was determined using conductometric titration. 50 mg of CNFs isolated from Ampelodesmos mauritanicus fibers were diluted to 0.1% and mixed with 2 ml of 0.1 M of HCl to exchange the sodium ions bound to the carboxyl groups by protons. To promote the dynamic distribution of the ions 1 mL of 50 mM NaCl was added to the solution and stirred for 90 min before the titration. The mixture was titrated with 0.1 M NaOH at the rate of 0.1 mL/min. The titration performed using conductometer from Mettler Toledo (SAS, Greifensee, Switzerland) and the carboxylate content of the CNFs was calculated from the conductivity and pH curves using the equation ( 2).
(2)
Where, C the carboxylic concentration (mmol/g), V2 and V1 (ml) are the volume of NaOH solution consumed during the titration, c is the concentration of NaOH (mol/l) and, m is the mass of the dry sample (g).

Zergane H., Abdi S., Xu H., Hemming J., Wang X., Willför S, & Habibi Y. (2020). Ampelodesmos mauritanicus a new sustainable source for nanocellulose substrates. Industrial Crops & Products., 144.

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Nanoemulsion pH and Conductivity Analysis

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The pH and conductivity of the optimized nanoemulsion were determined using a Delta 320 pH meter (Mettler Toledo, Columbus, OH, USA) and a conductometer (Mettler Toledo), respectively. Calibration with three pH standard buffer solutions (pH 4.00, 7.00, and 10.00) was performed before pH measurements were taken. The pH measurement is crucial to check the compatibility of a sample with human skin. Conductivity value determines the number of free ions in the system. High conductivity indicates that the aqueous phase is the continuous phase of the system. Therefore, the type of nanoemulsion can be investigated as either O/W or vice versa.

Syed Azhar S.N., Ashari S.E, & Salim N. (2018). Development of a kojic monooleate-enriched oil-in-water nanoemulsion as a potential carrier for hyperpigmentation treatment. International Journal of Nanomedicine, 13, 6465-6479.

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