[1] 炭酸水素塩 - Wikipedia (10/29/2020, 5:11:20 AM, 11/12/2020, 5:55:55 AM) https://ja.wikipedia.org/wiki/%E7%82%AD%E9%85%B8%E6%B0%B4%E7%B4%A0%E5%A1%A9
Google search: 炭酸水素イオン