Your web browser will no longer be supported by Restek.com as of 30 June 2021.
To avoid any interruption in access or functionality, install a current-generation web browser now. Learn more.
Peaks | |
---|---|
1. | Air |
2. | Carbon dioxide |
3. | Formaldehyde |
4. | Water |
5. | Methanol |
Column | Rt-U-BOND, 30 m, 0.53 mm ID, 20 µm (cat.# 19750) |
---|---|
Standard/Sample | Formaldehyde (manual headspace) |
Injection | |
Inj. Vol.: | 10 µL split (split ratio 10:1) |
Liner: | 2 mm split Precision liner w/wool (cat.# 20823) |
Inj. Temp.: | 200 °C |
Split Vent Flow Rate: | 40 mL/min |
Oven | |
Oven Temp.: | 100 °C (hold 1 min) to 150 °C at 25 °C/min (hold 3 min) |
Carrier Gas | He, constant pressure (7.7 psi, 53.1 kPa) |
Linear Velocity: | 39 cm/sec @ 100 °C |
Detector | TCD @ 200 °C |
---|---|
Make-up Gas Type: | He |
Data Rate: | 20 Hz |
Sensitivity Mode: | He/H2 |
Instrument | HP5890 GC |
Sample Preparation | 10 μL of formaldehyde solution added to a 20 mL vial and heated to 60 °C with CO2 added to the headspace. The formaldehyde solution is at a nominal concentration of 37% by weight with 10 to 15% methanol and the remaining amount water to stabilize the formaldehyde. |
We have determined your location as:
Or select your location below:
Sorry! We are unable to determine your location. Please select your location below.