دورية أكاديمية
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Distribution of inorganic compositions of Japanese tap water: a nationwide survey in 2019-2024.

التفاصيل البيبلوغرافية
العنوان: Distribution of inorganic compositions of Japanese tap water: a nationwide survey in 2019-2024.
المؤلفون: Hori M; Komaba Organization for Educational Excellence, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan. cmayumi@mail.ecc.u-tokyo.ac.jp., Shozugawa K; Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan., Takizawa T; Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan., Watanabe Y; Komaba Organization for Educational Excellence, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan.; Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan.
المصدر: Scientific reports [Sci Rep] 2024 Jun 19; Vol. 14 (1), pp. 14167. Date of Electronic Publication: 2024 Jun 19.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مواضيع طبية MeSH: Drinking Water*/analysis , Drinking Water*/chemistry, Environmental Monitoring/methods ; Inorganic Chemicals/analysis ; Japan ; Surveys and Questionnaires ; Trace Elements/analysis ; Water Pollutants, Chemical/analysis ; Water Quality ; Water Supply
مستخلص: A nationwide survey of inorganic components of tap water all over Japan was conducted from 2019 to 2024. In this survey, 1564 tap water samples were collected, and an additional 194 tap water samples were collected from 33 other countries. The water samples were analyzed for 27 dissolved inorganic components, with a primary focus on the distribution of major and trace components, including Ca, Mg, K, Na, Cl - , NO 3 - , SO 4 2- , total-hardness, Al, Fe, Cu, Mn, and Zn. The Japanese tap water hardness was 50.5 ± 30.2 (± 1σ SD) mg/L, classified as soft water according to the World Health Organization (WHO) classification. The average content of each major component in Japanese tap water tended to be lower than those in other countries. Furthermore, Piper trilinear diagrams were used to categorize Japanese tap water types. The dominating water types were the Ca-HCO 3 and mixed types, which had a nationwide distribution. Japanese tap water generally complied with Japanese and WHO drinking water criteria, with only 1% (17/1564 sites) of the samples exceeding water quality standards. Observations of water quality changes for 2 years at three household faucets revealed that fluctuations in major components and trace metals (Al, Fe, Cu, Mn, and Zn) varied in different patterns. This suggests that the behavior of trace metal elements is influenced by local infrastructure, such as supply pipes, distinct from the variability in source water quality.
(© 2024. The Author(s).)
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معلومات مُعتمدة: 19K15121 Japan Society for the Promotion of Science; 20A046 Kurita Water and Environment Foundation; 213290 Sumitomo Foundation
فهرسة مساهمة: Keywords: Distribution; Inorganic components; Japan; Quality assessment; Tap water
المشرفين على المادة: 0 (Drinking Water)
0 (Inorganic Chemicals)
0 (Trace Elements)
0 (Water Pollutants, Chemical)
تواريخ الأحداث: Date Created: 20240619 Date Completed: 20240619 Latest Revision: 20240921
رمز التحديث: 20240921
مُعرف محوري في PubMed: PMC11187173
DOI: 10.1038/s41598-024-65013-4
PMID: 38898103
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/s41598-024-65013-4