| | | | | | | | | | | | | | | | 120 | | | | 10℃ | ︵ 1 ︶ | | | ︵pH ︶ | 0.2 | 0.5 / | | | | | 10℃ | | | | | | | | | | | | | | | | | | | | | | | | | | | |