| SP3420A Specifications |
| Column Oven |
| Operating temperature |
ambient to 400°C |
| Cooling time |
250°C to 50°C in 5 min |
| Temperature programming rate |
0.1~50°C /min |
| Programmable oven with 4-ramp temperature control |
| Dual opening door at the back of column oven |
| Injector System |
| Operating temperature |
ambient to 400°C |
| Thermal conductivity detector (TCD) |
| Maximum Temperature |
400°C |
| Sensitivity |
≥ 10000mv*mL/mg (for butane) |
| Linear range |
10⁵ |
| Current range |
50 to 400mA |
| Filament Protection |
| If He or H₂ carrier gas flow in the detector cell is cut off for 4 minutes, filament power will be shut off automatically |
| Flame Ionization detector (FID) |
| Maximum Temperature |
400°C |
| Minimum detectivity |
≤ 5 x 10-¹² g/s (n-C16) |
| Linear range |
10⁷ |
| Flameout hint: |
monitoring the status of GC continuously after being turned on. |
| Electron capture detector - ECD |
| Maximum Temperature |
400°C |
| Minimum detectivity |
≤0.1 pg/mL (y-666) |
| Linear range |
10⁴ |
| Emission source |
11mC63Ni |
| Flame Photometric detector-FPD |
| Maximum Temperature |
400°C |
| Minimum detectivity: |
[P] ≤2 x 10-¹² g/s (tributyl phosphate) |
| [S] ≤2 x 10-¹° g/s (p-methyl sulphur phosphorous) |
| Linear range |
[P]:10⁵ [S]:10³ |
| Two air-hydrogen flames |
For large volume injection or trace sample injection analysis |
| Single air-hydrogen flame: |
sulphur sensitivity can be increased; |
| Direct output |
for phosphorus or sulphur analysis |
| Square root output |
for sulphur analysis |
| Exposed light protection |
| When exposed light current is more than 12µA, high voltage will be cut off automatically |
| Nitrogen-phosphorus detector-TSD |
| Maximum Temperature |
400°C |
| Minimum detectivity |
[N] ≤2 x 10-¹³ g/s (azobenzene) |
| [S] ≤1 x 10-¹³ g/s (p-methyl sulphur phosphorous) |
| Linear range |
[N]:10⁵ [P]:10⁴ |
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