Buffer solution

BUFFER SOLUTION pH 1
BUFFER SOLUTION pH 1,68
BUFFER SOLUTION pH 1,68 (oxalic)
BUFFER SOLUTION pH 2
BUFFER SOLUTION pH 3
BUFFER SOLUTION pH 4 
BUFFER SOLUTION pH 4 coloured – yellow
BUFFER SOLUTION pH 4,01
BUFFER SOLUTION pH 4,5 (acetic)
BUFFER SOLUTION pH 5
BUFFER SOLUTION pH 5 (acetic)
BUFFER SOLUTION pH 5,2
BUFFER SOLUTION pH 5,2 (acetic)
BUFFER SOLUTION pH 5,5
BUFFER SOLUTION pH 5,5 (phosphoric)
BUFFER SOLUTION pH 5,5 (acetic)
BUFFER SOLUTION pH 6
BUFFER SOLUTION pH 6,5
BUFFER SOLUTION pH 6,5 (Clark-Lubs’s)
BUFFER SOLUTION pH 6,5 (phosphoric)
BUFFER SOLUTION pH 6,5 (acetic)
BUFFER SOLUTION pH 6,8

BUFFER SOLUTION pH 7
BUFFER SOLUTION pH 7 coloured – green
BUFFER SOLUTION pH 7,01
BUFFER SOLUTION pH 7,2
BUFFER SOLUTION pH 7,5 
BUFFER SOLUTION pH 8
BUFFER SOLUTION pH 8 (borax)
BUFFER SOLUTION pH 8,8
BUFFER SOLUTION pH 9 coloured – red
BUFFER SOLUTION pH 9,18
BUFFER SOLUTION pH 9,21
BUFFER SOLUTION pH 9,22
BUFFER SOLUTION pH 10
BUFFER SOLUTION pH 10 (ammonia)
BUFFER SOLUTION pH 10,01
BUFFER SOLUTION pH 11
BUFFER SOLUTION pH 12
BUFFER SOLUTION REDOX 220mV
BUFFER SOLUTION REDOX 465mV
BUFFER SOLUTION REDOX 360mV
BUFFER SOLUTION REDOX 650Mv
CITRIC BUFFER SOLUTION FOR FLUORIDE DETERMINATION