Standard solutions, Technical buffer solutions, Din 19267) – Hach-Lange SENSION+ MM340 User Manual
Page 18
Accessories
Description
Item no.
Thermal printer, RS232, for sensION+ benchtop
LZW8201.99
Thermal paper for printer LZW8201, bag with 5 rolls
LZW9117.99
Dot-impact printer, RS232, for sensION+ instruments
LZW8200.99
Standard paper for printer LZW8200, bag with 10 rolls
LZW9000.99
Ribbon for printer LZW8200, 3 units
LZW9001.99
LabCom Easy PC SW, for sensION+ GLP, CD, cable,
USB adapter
LZW8997.99
LabCom PC SW, for sensION+ GLP, CD, cable, USB
adapter
LZW8999.99
RS232 cable, for sensION+ benchtop instruments
LZW9135.99
RS232 cable for sensION+ benchtop, with USB adapter
LZW9135USB.99
Magnetic stirrer with sensor holder, for sensION+ MM
benchtop
LZW9319.99
3x50 mL printed beakers for benchtop pH calibration
LZW9110.98
Three-sensor holder, for sensION+ benchtop instruments
LZW9321.99
Holder and clamp for three sensors
LZW9155.99
Pyrex glass chamber, continuous flow measurements
LZW9118.99
PP protector, electrode storage
LZW9161.99
Standard solutions
Technical buffer solutions (DIN 19267)
Refer to
pH and ORP (mV) values of specific buffer sets at
varying temperatures.
Table 3 pH, ORP (mV) and temperature values
Temperature
pH
mV
°C
°F
0
32
2.01
4.01
7.12
9.52
10.30
—
10
50
2.01
4.00
7.06
9.38
10.17
245
20
68
2.00
4.00
7.02
9.26
10.06
228
25
77
2.00
4.01
7.00
9.21
10.01
220
30
86
2.00
4.01
6.99
9.16
9.96
212
40
104
2.00
4.03
6.97
9.06
9.88
195
50
122
2.00
4.06
6.97
8.99
9.82
178
60
140
2.00
4.10
6.98
8.93
9.76
160
70
158
2.01
4.16
7.00
8.88
—
—
80
176
2.01
4.22
7.04
8.83
—
—
90
194
2.01
4.30
7.09
8.79
—
—
Buffer solutions (DIN 19266)
Refer to
for pH and ORP (mV) values of specific buffer sets at
varying temperatures.
Table 4 pH, ORP (mV) and temperature values
Temperature
pH
mV
°C
°F
5
32
1.668
4.004
6.951
7.087
9.395
10.245
13.207
10
50
1.670
4.000
6.923
7.059
9.332
10.179
13.003
20
68
1.675
4.001
6.881
7.016
9.225
10.062
12.627
25
77
1.679
4.006
6.865
7.000
9.180
10.012 12.454
18 English