wtw pH 7310, Operating Manual, Page: 40 / 72

Settings pH 7310
40
ba75929e02 10/2011
No. Buffer set * pH values at
1 ConCal Any Any
2 NIST/DIN
DIN buffers according to DIN 19266
and NIST Traceable Buffers
1.679
4.006
6.865
9.180
12.454 25 °C
3 TEC
WTW Technical buffers
2.000
4.010
7.000
10.011 25 °C
4 Merck 1* 4.000
7.000
9.000 20°C
5 Merck 2 * 1.000
6.000
8.000
13.000 20°C
6 Merck 3 * 4.660
6.880
9.220 20°C
7 Merck 4 * 2.000
4.000
7.000
10.000 20°C
8 Merck 5 * 4.010
7.000
10.000 25 °C
9 DIN 19267 1.090
4.650
6.790
9.230 25 °C
10 Mettler Toledo USA * 1.679
4.003
7.002
10.013 25 °C
11 Mettler Toledo EU * 1.995
4.005
7.002
9.208 25 °C
12 Fisher * 2.007
4.002
7.004
10.002 25 °C