Purge Time (min): Enter the time the sample will purge.
NOTE: The Centurion WS purge time must equal the concentrator purge
time.
Purge Temperature (°C): Enter the temperature the sample will heat during
purge.
CAUTION: Do not exceed the boiling point of water or the sample
matrix.
ATTENTION: Ne pas dépasser le point d'ébullition d'eau ou la matrice
de l'échantillon.
Program (Purge Temperature) : <click> the Program tab and the popup will
appear as shown in Figure 3z. Select Enable Ramp Control and enter the
desired temperature ramp.
Initial Temperature (°C) – This is the beginning temperature
programmed in °C. The temperature can be programmed from 25°C to the
set point in 1°C increments.
Initial Hold Time (min) – This is the time in minutes the initial
temperature is maintained. The initial hold time can be programmed from
0.0 to 999.9 minutes.
Ramp Rate (°C/min) – This is the rate programmed in °C/min the purge
temperature will increase after the initial hold time has expired to the
desired final temperature set point. The temperature can be programmed
to the final temperature set point 1°C/min increments.
Final Temperature (°C) – This is the ending temperature programmed in
°C. The temperature can be programmed from 35°C to the final purge
temperature in 1°C increments.
Final Hold Time (min) – The final hold time is not a value to be entered
by the User. The final hold time is the calculated difference of the sample
Purge Time taken from the sum of the initial time and the ramping time
needed to achieve the final temperature.
For Example: Total Purge Time = 10 minutes
Initial Temperature = 30°C
Initial Hold Time = 2 minutes
Ramp Rate = 5°C/min per minute
Final Temperature = 60°C
Final Hold time = 2 minutes.
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