CALIBRATION LIQUID FOR WATER QUALITY MEASUREMENT DEVICE, CALIBRATION-LIQUID-FILLED CONTAINER FOR WATER QUALITY MEASUREMENT DEVICE, AND CALIBRATION METHOD USING CALIBRATION LIQUID FOR WATER QUALITY MEASUREMENT DEVICE
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United States of America Patent
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May 18, 2023
app pub date -
Jan 27, 2021
filing date -
Jan 27, 2021
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Abstract
A calibration liquid (1) is used for calibrating a water quality measurement device (100). The water quality measurement device (100) includes a plurality of sensors to be brought into contact with a measurement target liquid so as to measure concentrations of a plurality of types of target components contained in the measurement target liquid, and measures the concentrations of the plurality of types of target components. The calibration liquid (1) includes a solution which contains the plurality of types of target components at respective concentrations determined for the target components, and the solution has a pH within a predetermined pH range.
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