Agilent Technologies 3200P User Manual page 34

2 Operation
To select the pH Buffer Group
34
The meter provides auto- recognition, to recognize several
buffer groups which are prepared according to either the
NIST standard, the DIN standard, or the GB standard. Each
group contains several buffers.
Table 2 Buffer groups
Buffer pH NIST group
1.677
1.680
3.557
3.559
3.775
4.003
4.008
6.864
6.865
7.000
7.409
7.416
9.182
9.184
10.014
12.454
12.460
12.469
DIN group GB group
3200P pH Meter User Guide