| | | | | | | | | | | | | | 3 | | | | | | | | | | | | 2023 2 | 1 | | | 2 4 | 16.4mg/L | 8mg/L | 25.4mg/L | 15mg/L | CASS | 2023 2 24 | | | | | | | | | | | | | | | | | | | | 20 | 100 | | | | | | 2023 4 12 | | | | 28 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2023 9 13 | | | | | 2021 5 11 | | 2021 | | | 0 2022 | | | 0 | 2021 2022 | | 2021 | | | 2021 2022 | | | | | | | | | | | | | | | 1.5 2021 | | | | | | | | | | | | 11 | | | | | | | | | | | | | | | | | | | pH | 2023 7 29 | | | | | | | | pH 3.5 | 6 ︱ 9 | | 3.5 | | | | | | | | | | | | | | | | | | 20 | 100 | | | | | | 2023 8 30 | | | | 25 | | | | | | | | | | | | | | | | | | | pH | | | | | | |