muestra_id,ph 1,7.02 2,6.95 3,7.18 4,6.91 5,7.09 6,6.83 7,7.16 8,6.87 9,7.05 10,6.94 11,6.89 12,7.11 13,6.84 14,7.05 15,6.97 16,7.13 17,6.90 18,7.04 19,6.98 20,6.85 21,7.15 22,6.87 23,7.06 24,6.93 25,7.01 26,6.96 27,7.07 28,6.82 29,7.00 30,6.88 31,6.92 32,7.03 33,6.99 34,7.17 35,6.85 36,7.14 37,6.94 38,7.19 39,6.91 40,7.15 41,7.08 42,6.88 43,7.12 44,6.86 45,7.04 46,6.98 47,7.10 48,6.89 49,7.06 50,6.95