竹瓦温泉(男湯)
Takegawara Onsen (Men's Bath)Operated by · 別府市
- Color
- colorless and clear
- Taste
- almost tasteless
- Odor
- almost odorless
Sodium-Calcium-Magnesium Chloride-Bicarbonate spring
- 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.
- Warmingcold sensitivity
- Aches & jointsstiff shoulders
- Smooth skindry, rough skin
A sodium-calcium-magnesium chloride spring with bicarbonate softness layered in, salty and heat-retaining but rounded rather than sharp. Weakly alkaline and gentle on the skin, it carries a moderate 1,490 mg/kg of dissolved solids, enough body to feel without weighing the water down. Metasilicic acid runs to 214 mg/kg, leaving the thin silica film that places this spring in Japan's beauty-water family; the analysis posted at the bathhouse lists cuts, burns and chronic skin conditions among its documented uses.
Sampled at delivery pipe·Analyzed Feb 20, 2019·公益社団法人大分県薬剤師会·Cert no. 大薬検 第7R-31020020号