Soda Lime Self Indicating

What is Soda Lime Self-Indicating?

Soda Lime Self-Indicating is a mixture of sodium hydroxide (NaOH) and calcium hydroxide (Ca(OH)₂) that is primarily used to absorb carbon dioxide (CO₂) in medical and laboratory settings. The self-indicating version contains a pH indicator that changes color when the soda lime becomes saturated with CO₂, providing a visual cue that it is time to replace the material.

This solution is commonly used in anesthesia machines, respiratory equipment, and laboratories to safely remove CO₂ from air or gas streams. The color change of the indicator allows users to easily monitor the effectiveness of the soda lime without the need for additional equipment or testing.

Formulation Details:
Soda Lime Self-Indicating is made by combining sodium hydroxide and calcium hydroxide, along with a pH indicator, to allow for easy detection of when the material is saturated with CO₂. This simple but effective formulation ensures reliable CO₂ absorption.

No Additives:
The product is free from unnecessary chemicals or preservatives, ensuring that it remains as pure and efficient as possible.

Shipped from Manchester, UK Facility: Our Soda Lime Self Indicating is sourced and packaged using non-toxic, chemical-resistant containers, ensuring reliable quality for our customers.

Frequent Uses:

1. Anesthesia Machines:
   Soda Lime Self-Indicating is widely used in medical anesthesia machines to absorb CO₂ from exhaled air, preventing CO₂ buildup in patients during surgeries and ensuring safe anesthetic conditions.

2. Respiratory Equipment:
   In ventilators and other respiratory devices, Soda Lime Self-Indicating removes CO₂ from the air supplied to patients, maintaining optimal oxygen levels and preventing the harmful effects of CO₂ accumulation.

3. Laboratory CO₂ Removal:
   Soda Lime Self-Indicating is used in laboratories to absorb CO₂ from air or gas streams during various experiments and chemical reactions. The color change feature helps monitor when the absorbent is saturated and requires replacement.

4. Carbon Dioxide Scrubbing in Closed Systems:
   In confined systems, such as submarines, spacecraft, or sealed breathing apparatus, Soda Lime Self-Indicating helps maintain breathable air by absorbing CO₂. The self-indicating feature allows users to track the absorbent's condition, ensuring the CO₂ scrubbers continue to function properly.

5. Environmental Control Systems:
   Soda Lime Self-Indicating is useful in systems that require precise control of air quality, such as in greenhouses or industrial applications. By absorbing CO₂, it helps to maintain safe and breathable environments in these controlled spaces.

6. Breathing Systems in Animals and Research:
   In research involving animals or veterinary applications, Soda Lime Self-Indicating is used to manage CO₂ levels in inhaled air. The visual indicator helps ensure that the soda lime is replaced when necessary, contributing to safer respiratory conditions.

Safety Applications
Soda Lime Self-Indicating plays a crucial role in controlling CO₂ levels in various environments, especially in confined spaces or during long-term use. The self-indicating feature is particularly useful in alerting users when the absorbent is no longer effective, preventing harmful CO₂ buildup and ensuring a safe atmosphere.

Laboratory Applications

Respiratory Therapy

Medical Applications

Appearance: Light Pink Granules, changes to white upon absorption of carbon dioxide
Loss on drying: 10-15%
Carbon Dioxide Absorbtion: ≥19%
Hygroscopicity: ≤ 7.5%
Mesh size: 2.5-5.0mm granules

Cas Number: 8006-28-8

Einecs Number: 679-313-5

HS Code / Commodity Code: 2825909000

UN Number: 1907

Hazard Class: 8

Packing Group: 3

Hazard Phrases: H304,H314

Prec Phrases: P260h,P303+P361+P353,P305+P351+P338,P301+P330+P331,P405,P501a