The Pom Hán thermo-mineral water, Lào Cai Province: Quality and using potential

Quách Đức Tín, Nguyễn Thị Lợi, Nguyễn Văn Uy

The Pom Hán thermo-mineral water source, located in the Bình Minh Ward, Lào Cai City, has the major ionic composition of SO42-, HCO3- and Ca2+, Na+, with the calcium-sodium sulfate-bicarbonate water type, rich in silica. The temperature is 36.40C; the total dissolved solid ranges from 504 to 990 mg/l; the pH varies from 6.9 to 7.9; the content of metasilicic acide changes over the years from 69.723 to 115.72 mg/l, which allows us to classify this thermo-mineral water as siliceous mineral water type. The content of microelements meets present standards on water quality for bottling and drinking. With useful medicinal values and favourable position in a high touristic potential area, the Pom Hán thermo-mineral water sources promises to become a site for ecological tourism associated with thermo-mineral water hydrotherapy in the near future of the Lào Cai Province.

Người biên tập: Phạm Quý Nhân.