Spherasorb
Medisorb
Amsorb Plus
Mystery Absorbent
Dragersorb Free/800 Plus
100

3-4 mm sphere

What is the shape of Spherasorb?

100

irregular 

What is the shape of Medisorb?

100

0 % Sodium Hydroxide, 4 % Calcium Chloride. Also contains Calcium Sulphate

What is the Amsorb Plus formulation?

100

0.5 % FiCO2 was reached at 541 minutes

Intersurgical 2196000 Spherasorb ISCan 0.5 % FiCO2 reached at 749 minutes

What is exhausted SpiraLithCa Rx-3719C?


100

Contains standard soda lime formulation

What is Dragersorb 800 Plus?

200

1.5%

What is the amount of NaOH in Spherasorb?

200

This type of water is chemically bound within the crystal structure of soda lime granules and is essential for safe CO₂ absorption. If lost, the absorbent can degrade anesthetic agents into toxic byproducts.

What is water of crystallization?

200

marketed as alkali-free and safer with volatile anesthetics, is now officially promoted for use in their anesthetic machines.

Who is GE Healthcare?

200

Tidal volume 0.5 L, Breathing rate 10/min, Fresh gas flow 0.5 L/min, I:E 1:1, CO2 injection 200 ml/min, Tested until 0.5 % FiCO2

What are simulated breathing test conditions?

200

Contains same volume of CO2 absorbent as the Pyramid canister

What is Draeger® CLIC® absorber Dragersorb® 800 Plus canister?

300

10-15%

How much longer does Spherasorb last than the competitors?

300

CaCl2 causes this

What is clumping, channeling and very unpredictable usage time.

300

contains same volume than Pyramid canister

What is Amsorb Plus Bubble can?

300

This is recommended when handling absorbents that contain Calcium Hydroxide.

What is personal protective equipment?

300

1% NaOH

What is the amount of alkali hydroxide in Dragersorb Free?

400

Zeolite

What is used to prevent absorbent from drying out?

400

3% NaOH

What is standard soda lime?

400

Armstrong Medical

Who is the manufacturer of Amsorb Plus?

400

0.5 % FiCO2 was reached at 467 minutes

Intersurgical 2191001 Spherasorb Pyramid 0.5 %

FiCO2 reached at 717 minutes

What is exhausted SpiraLithCa Rx2903C?

400

all the absorbents were deliberately and completely dried in a laboratory.

What is the Knolle study?

Reference Knolle et al, Carbon Dioxide Absorption in Absorbents does not correlate with Carbon Monoxide Formation from Isoflurane when totally dry. University of Vienna: Anesth Analg 2002

500

IS Can

What is the most sold Spherasorb cannister?

500

When this happens to a CO₂ absorbent, it loses water of crystallization, may produce carbon monoxide or Compound A, and shows reduced CO₂ absorption efficiency.

What is drying out?

500

18.0 hrs of absorption capacity compared to Spherasorb when tested under same conditions.

What is the JA Baum, JH Woehlckhemical study?

500

These both have a lower CO2 capacity than the Pyramid and  ISCan Spherasorb canisters.


What are SpiralithCa canisters, Rx-2903C and Rx-3719C?

500

Used to prevent absorbent from drying out

What is calcium chloride?