Unverified85% confidenceDecision RuleTime unknown
选购天然矿泉水看溶解性总固体（TDS）和偏硅酸：偏硅酸≥25mg/L可标注为含硅酸矿泉水，偏硅酸30-50mg/L的水口感较软；TDS在50-200mg/L适合日常长期饮用，过高（>500）可能带来涩味且不适合婴幼儿冲奶
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Unverified长期日常饮用优选偏硅酸≥25mg/L的天然矿泉水或TDS 100-300mg/L的天然水，纯净水不含矿物质，长期单一饮用需通过膳食补充矿物质85% similarUnverified婴幼儿冲调奶粉应选低钠低矿化度水：钠含量≤20mg/L、TDS<100mg/L的纯净水或低矿化天然水最佳，避免高矿化度矿泉水导致婴儿肾脏负担及矿物质叠加超标78% similarUnverified偏硅酸含量≥25mg/L是优质天然矿泉水的重要指标（国标GB8537对偏硅酸型矿泉水的界限指标为≥25mg/L），选购天然碱性矿泉水时可优先关注该数值77% similarUnverified矿化度越高口感越'厚'且矿物质越丰富，但同时钠、硫酸盐含量也高，长期单一饮用高矿化度水可能加重肾脏负担；日常家庭饮用选TDS 100-300mg/L的中低矿化度水是均衡之选76% similarUnverified腹泻脱水补液必须含钠40-60 mmol/L（约900-1400mg/L）且钠钾比接近2:1，市售普通儿童电解质水钠含量通常仅10-20 mmol/L，只适合日常补水不能替代医用补液盐75% similar
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