pH=4.5±0.02(25℃) 500ml
PH=5.00±0.02(25℃) 500ml
pH = 5.4 ± 0.02(25℃) 500ml
pH = 7.4± 0.02(25℃) 500ml
pH = 6.86 ±0.02(25℃) 500ml
pH = 6.863(25℃) 500ml
pH = 7.00 (25℃) 500ml
pH = 9.00 ± 0.02(25℃) 500ml
pH = 12.00 ± 0.02(25℃) 500ml
0.05000 mol/L (0.05) (乙醇介质) 500ml