Metrohm 744 pH Meter - Handbuch (Seite 26)

Puffer
t/EC
pH 4.00 pH 7.00 pH 9.00
0
5
10
15
20
25
30
35
38
40
45
50
55
60
65
70
75
80
85
90
95
4.05
4.04
4.02
4.01
4.00
4.01
4.01
4.01
4.01*
4.01
4.00*
4.00
4.00*
4.00
4.00*
4.00
4.00*
4.00
4.00*
4.00
4.00*
7.13
7.07
7.05
7.02
7.00
6.98
6.98
6.96
6.96*
6.95
6.95*
6.95
6.95*
6.96
6.96*
6.96
6.96*
6.97
6.98*
7.00
7.02*
9.24
9.16
9.11
9.05
9.00
8.95
8.91
8.88
8.86*
8.85
8.82*
8.79
8.76*
8.73
8.71*
8.70
8.68*
8.66
8.65*
8.64
8.63*
pH 4: Natriumcitrat/-chlorid
pH 7: Kalium/Natriumdihydrogenphosphat
pH 9: Borsäure/KCl/NaOH
1) : Die von Riedel deHaNn angegebenen Werte können bis um )pH 0.02 variieren.
Ciba/Geigy-Puffer
Puffer
t/EC
pH 4.00 (P01) pH 7.00 (P10) pH 9.00 (P12)
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
7.11
7.08
7.05
7.02
7.00
6.98
6.97
6.96
6.95*
6.95
6.94
6.94
6.93
6.93
6.93*
6.94
6.94*
6.95
6.96*
6.97
6.98*
9.20*
9.15
9.10
9.05
9.00
8.96
8.91
8.88
8.85
8.84
8.80
8.77
8.74
8.71
8.69
8.67
8.65
8.63
8.61
8.60
8.59
pH 4: Kaliumhydrogenphthalat
pH 7: Kalium/Natriumhydrogenphosphat
pH 9: Borax/Kaliumdihydrogenphosphat