Ngày tải lên :
28/11/2015, 18:15
... Tra biu Langlier: pH* = 7 ,5 15 20 25 2 ,5 300 350 400 450 50 0 55 0 600 30 35 40 50 60 250 1 ,5 16 20 30 40 50 60 70 80 90100 150 200 300 400 6 ,5 5 ,5 650 700 750 80 0 7 ,5 0 ,5 CO Độ kiềm p (muối) Thang ... 4.17 5, 5 1,33 18, 46 11_12 4.17 6 ,5 2,33 16,13 12_13 4.17 6 ,5 2,33 13 ,8 13_14 4.17 5, 0 0 ,83 12,97 14_ 15 4.17 5, 0 0 ,83 12,14 15_ 16 4.17 4 ,5 0,33 11 ,81 16_17 4.17 5, 5 1,33 10, 48 17_ 18 4.17 7,0 2 ,83 ... 3,16 13 ,86 2_3 4.16 1,0 3,16 17,02 3_4 4.16 1,0 3,16 20, 18 4 _5 4.16 2,0 2,16 22,34 5_ 6 4.17 3,0 1,27 23,61 6_7 4.17 5, 0 0 ,83 22, 78 7 _8 4.17 6 ,5 2,33 20, 45 8_ 9 4.17 4 ,5 0,33 20,12 9_10 4.17 4 ,5 0,33...