| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for inhibiting hydrogen peroxide generation in water, by which good water quality can be maintained and water preservability can be enhanced, and also to provide a water preservation vessel capable of inhibiting deterioration of water preserved inside the vessel, from being caused. SOLUTION: This method comprises shielding water from light incident on the water to inhibit hydrogen peroxide from being generated in the water. This water preservation vessel is a vessel for preserving ultrapure water, deionized water, redistilled water or natural water, and provided with a light shielding means for shielding such water preserved in the vessel from light.
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