2-Sides Interdigital Capacitor Sensor for Determination of Water Added in Raw Milk

2-Sides Interdigital Capacitor Sensor for Determination of Water Added in Raw Milk
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© 2023 by IJETT Journal
Volume-71 Issue-12
Year of Publication : 2023
Author : Natpapha Chansom, Wichian Srichaipanya, Worawat Sa-Ngiamvibool
DOI : 10.14445/22315381/IJETT-V71I12P204

How to Cite?

Natpapha Chansom, Wichian Srichaipanya, Worawat Sa-Ngiamvibool, "2-Sides Interdigital Capacitor Sensor for Determination of Water Added in Raw Milk," International Journal of Engineering Trends and Technology, vol. 71, no. 12, pp. 35-39, 2023. Crossref, https://doi.org/10.14445/22315381/IJETT-V71I12P204

Abstract
The quality assessment of raw milk before purchasing from local dairy farmers at raw milk collection points is an important factor that affects the pricing of raw milk. The objective of this research is to study the electrical properties and analyse the relationships between electrical capacitance, resistance, frequency, and the water content in raw milk that affect the perception of 2-Sides interdigital capacitor sensors (2s-ICs). The research data was collected by examining the water content in raw milk samples with varying concentrations from 0% to 50%. Each sample of 150 cc. was placed in a 300 cc. glass container, and the water concentration was increased by 5% increments until the total volume reached 300 cc. The research results are as follows: The analysis of electrical properties based on the water content in raw milk using 2s-ICs revealed that at every percentage level of water content, there is a significant impact on the electrical capacitance. 2s-ICs, specifically the a3b6L15 model, measured the electrical capacitance of 22.23 µF with a confidence level (R2) of 0.9788. The rate of increase in electrical capacitance per 1% water content was found to be 41.12 pF.

Keywords
2-Sides Interdigital Capacitor Sensor, Level sensor, Water added in raw milk.

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