What's on this page?
|
|
A small program is available,
which calculates the volume per length unit and vice versa. For an
explanation click
here, where you also can run or download the HPLC tubing
calculator. |
Chart for choosing the right PEEK
tubing
|
PEEK color code
|
red |
yellow |
blue |
orange |
green |
grey |
| internal diameter (mm) |
0.13 |
0.17 |
0.25 |
0.50 |
0.75 |
1.0 |
| volume per meter (µL) |
13.3 |
|
49.1 |
196.4 |
441.8 |
|
| length for 1 µL (cm) |
7.53 |
|
2.04 |
0.51 |
0.23 |
|
| maximum pressure (bar) |
350
|
350
|
350
|
350
|
280
|
140
|
|
pressure drop per meter (bar); water as eluens
|
|
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|
| F = 0.1 mL/min |
2.4 |
|
0.02 |
|
0.002 |
|
| F = 0.5 mL/min |
11.9 |
|
0.87 |
|
0.011 |
|
| F = 1.0 mL/min |
23.8 |
|
1.74 |
|
0.021 |
|
Volume chart for stainless steel tubing
|
| tubing ID
(inch) |
volume |
| µL/cm |
µL/inch |
| 0.005 |
0.13 |
0.32 |
| 0.010 |
0.51 |
1.29 |
| 0.015 |
1.14 |
2.90 |
| 0.020 |
2.03 |
5.15 |
| 0.025 |
3.17 |
8.04 |
| 0.030 |
4.56 |
11.58 |
| 0.040 |
8.11 |
20.59 |
| 0.060 |
18.24 |
46.33 |
| 0.070 |
24.83 |
63.06 |
| 0.085 |
36.61 |
92.99 |
|