
Transmitter M400/2(X)H, M400G/2XH 106
© 03 / 2014 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400/2(X)H, M400G/2XH
Printed in Switzerland 30 031 683
19.1.2 Mettler-10
Temp (°C) pH of buffer solutions
0 2.03 4.01 7.12 10.65
5 2.02 4.01 7.09 10.52
10 2.01 4.00 7.06 10.39
15 2.00 4.00 7.04 10.26
20 2.00 4.00 7.02 10.13
25 2.00 4.01 7.00 10.00
30 1.99 4.01 6.99 9.87
35 1.99 4.02 6.98 9.74
40 1.98 4.03 6.97 9.61
45 1.98 4.04 6.97 9.48
50 1.98 4.06 6.97 9.35
55 1.98 4.08 6.98
60 1.98 4.10 6.98
65 1.99 4.13 6.99
70 1.98 4.16 7.00
75 1.99 4.19 7.02
80 2.00 4.22 7.04
85 2.00 4.26 7.06
90 2.00 4.30 7.09
95 2.00 4.35 7.12
19.1.3 NIST Technical Buffers
Temp (°C) pH of buffer solutions
0 1.67 4.00 7.115 10.32 13.42
5 1.67 4.00 7.085 10.25 13.21
10 1.67 4.00 7.06 10.18 13.01
15 1.67 4.00 7.04 10.12 12.80
20 1.675 4.00 7.015 10.07 12.64
25 1.68 4.005 7.00 10.01 12.46
30 1.68 4.015 6.985 9.97 12.30
35 1.69 4.025 6.98 9.93 12.13
40 1.69 4.03 6.975 9.89 11.99
45 1.70 4.045 6.975 9.86 11.84
50 1.705 4.06 6.97 9.83 11.71
55 1.715 4.075 6.97 11.57
60 1.72 4.085 6.97 11.45
65 1.73 4.10 6.98
70 1.74 4.13 6.99
75 1.75 4.14 7.01
80 1.765 4.16 7.03
85 1.78 4.18 7.05
90 1.79 4.21 7.08
95 1.805 4.23 7.11
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