Metrohm 744 pH Meter - Handbuch (Seite 25)

Puffer
t/EC
C D F
0
5
10
15
20
25
30
35
38
40
45
50
55
60
65
70
75
80
85
90
95
4.01
4.00
4.00
4.00
4.00
4.01
4.01
4.02
4.03
4.03
4.04
4.06
4.07
4.09
4.11*
4.13
4.14*
4.16
4.18*
4.21
4.23
6.98
6.95
6.92
6.90
6.88
6.87
6.85
6.84
6.84
6.84
6.83
6.83
6.83
6.84
6.84*
6.85
6.85*
6.86
6.87*
6.88
6.89
9.46
9.40
9.33
9.28
9.23
9.18
9.14
9.10
9.08
9.07
9.04
9.01
8.99
8.96
8.94*
8.92
8.90*
8.89
8.87*
8.85
8.83
C: Kaliumhydrogenphthalat
D: Phosphat
F: Borax
nach DIN 19266 (1979)
Fisher-Puffer
Puffer
t/EC
pH 4.00 rot pH 7.00 gelb pH 10.00 blau
0
5
10
15
20
25
30
35
38
40
45
50
55
60
65
70
75
80
85
90
95
4.01
3.99
4.00
3.99
4.00
4.00
4.01
4.02
4.02*
4.03
4.04*
4.06
4.07*
4.09
4.11*
4.13*
4.14*
4.16*
4.18*
4.21*
4.23*
7.13
7.10
7.07
7.05
7.02
7.00
6.99
6.98
6.98*
6.97
6.97*
6.97
6.97*
6.98
6.99*
7.00*
7.02*
7.03*
7.06*
7.08*
7.11*
10.34
10.26
10.19
10.12
10.06
10.00
9.94
9.90
9.87*
9.85
9.81*
9.78
9.74*
9.70
9.68*
9.65*
9.63*
9.62*
9.61*
9.60*
9.60*
pH 4: Kaliumhydrogenphthalat (SB 101)
pH 7: Kaliumdihydrogenphosphat/NaOH (SB 107)
pH 10: Kaliumborat/karbonat/KOH (SB 115)
Merck/(Riedel-deHaNn1)-Puffer