別府温泉供給事業鉄輪渋の湯上
Beppu Onsen Supply Project, Kannawa Shibu-no-yu Upper SourceOperated by · 別府市 (別府温泉供給事業)
塩
Chloride
- Color
- colorless and clear
- Taste
- moderately salty
- Odor
- almost odorless
Sodium Chloride spring
pH 4.1Weakly acidicHot source · 82°CHigh silica
Composition fingerprint4.5 g/kg dissolved · Hypotonic
Na⁺87
Cl⁻88
◀ CationsAnions ▶
- Sodium Na⁺
- salt's cation — pairs with chloride to make the water salty.
- Chloride Cl⁻
- table-salt anion — coats the skin and holds heat in.
Known good for
- Warmingcold sensitivity
- Aches & jointsstiff shoulders
- Smooth skindry, rough skin
A hot (81.7 °C) sodium chloride spring from the Kannawa district of Beppu — weakly acidic, moderately mineralized, with the salty, heat-retaining character that defines chloride waters. It sits among Japan's hottest natural sources. An exceptionally generous 685 mg/kg of metasilicic acid leaves a thin silica film that makes skin noticeably smoother afterwards.
Sampled at mixing tank·Analyzed Feb 19, 2019·公益社団法人 大分県薬剤師会検査センター·Cert no. 大薬検 第7R-31020013号