{"id":17998,"date":"2026-08-23T13:48:45","date_gmt":"2026-08-23T03:48:45","guid":{"rendered":"https:\/\/geoffreychen.com\/why-soap-lathers-poorly-in-hard-water\/"},"modified":"2026-08-23T13:48:45","modified_gmt":"2026-08-23T03:48:45","slug":"why-soap-lathers-poorly-in-hard-water","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-soap-lathers-poorly-in-hard-water\/","title":{"rendered":"\u786c\u6c34\u4e3a\u4ec0\u4e48\u8ba9\u80a5\u7682\u4e0d\u5bb9\u6613\u8d77\u6ce1\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-soap-lathers-poorly-in-hard-water\/7d99294e6063e67f2fd8dac9.jpg?w=1140&#038;ssl=1\" alt=\"\u786c\u6c34\u4e3a\u4ec0\u4e48\u8ba9\u80a5\u7682\u4e0d\u5bb9\u6613\u8d77\u6ce1\uff1f\" 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href=\"https:\/\/www.usgs.gov\/water-science-school\/science\/hardness-water\" rel=\"nofollow\">https:\/\/www.usgs.gov\/water-science-school\/science\/hardness-water<\/a><br \/><a href=\"https:\/\/openstax.org\/books\/chemistry\/pages\/11-5-colloids\" rel=\"nofollow\">https:\/\/openstax.org\/books\/chemistry\/pages\/11-5-colloids<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Poor lather in hard water comes from calcium and magnesium ions reacting with soap to form insoluble scum, reducing soap available to emulsify 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