Method 3 - Oxygen Analysis of Silver
Preparation
Rate of temperature increase | = | 10 °C per minute |
Vacuum set point | = | 10 µmHg |
Task No. | Action | Temperature (°C) |
Time * (Minutes) |
---|---|---|---|
1 | Evacuate | 100 | 30 |
2 | Flow oxygen | 100 | 10 |
3 | Ramp temperature while flowing oxygen |
170 | 10 °C / min |
4 | Hold temperature while flowing oxygen | 170 | 60 |
5 | Evacuate | 170 | 30 |
6 | Flow hydrogen | 170 | 60 |
7 | Evacuate temperature < 10 mmHg | 170 | 30 |
8 | Analysis | 170 | |
*Time for evacuation is the number of minutes below set point at the specified temperature. Time for gas flow is the number of minutes at the specified temperature. |
Analysis
Gas: | Oxygen |
Temperature: | 170 °C |
Line fit: | Enabled for all pressure points |
Repeat analysis: | No |
Pressure table (mmHg): | 40, 67, 93, and 120 |
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