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Mineral water is naturally gushing from deep underground or is uncontaminated underground mineral water that has been artificially exposed; it contains a certain amount of mineral salts, trace elements or carbon dioxide gas; under normal circumstances, its chemical composition, flow rate, The water temperature and other dynamics are relatively stable within the natural fluctuation range. Mineral water is circulated and formed in the deep part of the stratum, and contains minerals and limited indicators stipulated by national standards.

Mineral water is water containing dissolved minerals or more gases. The nine limit indicators specified in the national standard include lithium, strontium, zinc, selenium, bromide, iodide, metasilicic acid, free carbon dioxide and total dissolved solids. , Mineral water must have one or more requirements that meet the limit indicators, and the required content is (unit: mg/L): lithium, strontium, zinc, and iodide are all ≥ 0.2, selenium ≥ 0.01, bromide ≥ 1.0, metasilicic acid≥25, free carbon dioxide≥250 and total dissolved solids≥1000. Most of the mineral water on the market is of strontium (Sr) type and metasilicate type, and there are also mineral waters with other mineral components.