CIRAS-3 Operation Manual V. 1.09 187 support@ppsystems.com
Absorber Control Column Assembly (Complete)
Zero Column Assembly (Complete
For individual absorber column parts (i.e. filters, O-rings, etc.), please refer to the above drawings.
Soda Lime
Soda lime (Sodium Hydroxide) is used to remove CO
2
from air entering the CIRAS-3. Both self-indicting
and non-indicating Soda Lime can be can be used with the CIRAS-3. Soda Lime cannot be regenerated
and should be discarded after exhaustion.
• Type: Sofnolime, 1.0-2.5 mm, self-indicating (white to violet), 1 kg
• Manufacturer: Molecular Products. (www.molecularproducts.com
)
• For the latest Material Safety Data Sheet, please visit www.molecularproducts.com and
request the latest MSDS or contact PP Systems.
For the latest MSDS on alternative types of soda lime, please contact the manufacturer directly or contact
PP Systems.
Take caution to wash your hands completely after handling soda lime.
Sofnolime, white to violet, 1 kg
Drierite
Drierite (anhydrous 97% calcium sulfate (CaSO
4
) and 3% cobalt chloride) is an excellent H
2
O absorber
making it an ideal choice for analyzer ZERO and for controlling H
2
O. Both self-indicting (blue to pink) and
non-indicating Drierite can be can be used with the CIRAS-3. It can be regenerated easily by simply
spreading out the granules one layer deep and placed in a preheated oven for 90 minutes at 230 °C or
425 °F. The regenerated material should be returned to the original glass container and sealed while hot.
The color of the self-indicating Drierite may become less distinct on successive regenerations due to the
migration of the indicator into the interior of the granule and sublimation of the indicator.
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