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Low-Cost Measurement of Water Quality Based on Scattering of Light

JSHS · 2022

William Zhang, Jun Jiang · Thomas Jefferson High School for Science and Technology, Alexandria, VA

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Overview

Obtaining clean drinking water is challenging in rural areas of the least developing countries. While low-cost water filtering setups exist, there still lacks a simple but effective water quality monitoring method. Here, we demonstrated a simple optical method to measure the number of undissolved impurities in water. In this study, we compared four different water samples and observed that this method can effectively measure the invisible particles in water. Nonexperts can build and operate our low-cost measurement setup, allowing for convenient monitoring of physical water quality in poor rural regions and the wild. Furthermore, we proposed a design for a reliable, portable, and low-cost measurement device based on our experimental setup. This device can be quickly transferred onto assembly lines, significantly changing people’s lives in rural regions. HAWAII

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Competition history

  • JSHS 2022 Category not listed

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Source: Junior Science and Humanities Symposium

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