| 10 7 | 1 | | | | | 10 9 | 5 | | | | | | | | | 1000mg/L | 500 mg/L | | 2000 mg/L | 30 | 10 1 7 | | 7 | | | | | | | | | | | | | | 13734836082 | 10 1 | | | | | | | | | | | | | | | | | | | | | | | | 2022 10 10 | | |