

Sodalime with indicator 500gm
KSh1,500.00 Original price was: KSh1,500.00.KSh1,200.00Current price is: KSh1,200.00.
Sodalime with an indicator is a substance often used in medical and laboratory settings, primarily for the absorption of carbon dioxide (COā) and certain other acidic gases. The indicator in sodalime serves a crucial function by visually signaling when the sodalime has been exhausted and can no longer effectively absorb COā. Hereās a detailed look at its components, functionality, and use:
Components of Sodalime
- Sodium Hydroxide (NaOH) and Potassium Hydroxide (KOH): These strong bases are the active components that react with COā to form carbonates and water.
- Calcium Hydroxide (Ca(OH)ā): This provides a medium in which the reaction takes place and also participates in the COā absorption process.
- Water (HāO): Necessary for the chemical reaction.
- Indicator Dye: Changes color based on the pH level, signaling when the sodalime is no longer effective.
Chemical Reaction
The primary reaction for COā absorption can be summarized as: CO2+H2OāH2CO3text{CO}_2 + text{H}_2text{O} rightarrow text{H}_2text{CO}_3CO2ā+H2OāH2CO3ā H2CO3+2NaOHāNa2CO3+2H2Otext{H}_2text{CO}_3 + 2text{NaOH} rightarrow text{Na}_2text{CO}_3 + 2text{H}_2text{O}H2CO3ā+2NaOHāNa2āCO3ā+2H2āO
Secondary reactions may involve calcium hydroxide: Na2CO3+Ca(OH)2ā2NaOH+CaCO3text{Na}_2text{CO}_3 + text{Ca(OH)}_2 rightarrow 2text{NaOH} + text{CaCO}_3Na2āCO3ā+Ca(OH)2āā2NaOH+CaCO3ā
Uses ofĀ Sodalime with indicator
Gas Absorption in Experiments
Sodalime is frequently used to remove COā from gas streams in laboratory experiments. This is important in studies where COā could interfere with the results or where its removal is necessary to simulate certain environmental conditions.
2. Respiratory Metabolism Studies
In studies involving animal or human respiratory metabolism, sodalime can be used to absorb the COā exhaled by subjects. This allows researchers to measure oxygen consumption and other metabolic parameters accurately.
3. Chemical Synthesis and Reactions
Certain chemical reactions and syntheses are sensitive to the presence of COā. Sodalime is used to maintain a COā-free environment, ensuring that these reactions proceed correctly without interference from COā.
4. Incubators for Cell Culture
In cell culture incubators, maintaining the correct gas composition is crucial for cell growth and development. Sodalime is used to control COā levels within these incubators, ensuring an optimal environment for cell cultures.
5. Anaerobic Chambers
Anaerobic chambers are used for growing and handling anaerobic microorganisms, which thrive in environments devoid of oxygen and COā. Sodalime helps to scrub COā from the chamber, creating a suitable atmosphere for these microorganisms.
6. Respiratory Equipment Calibration
Calibration of respiratory equipment, such as spirometers and gas analyzers, often requires precise control of gas concentrations. Sodalime can be used to absorb COā during the calibration process to ensure accurate measurements.
7. Environmental Simulation Chambers
In studies simulating various environmental conditions, such as climate change experiments, sodalime can be used to control and maintain specific COā levels, allowing researchers to study the effects of different COā concentrations on plants, animals, and materials.
8. Respiratory Physiology Research
In respiratory physiology research, sodalime is used to remove COā from exhaled air, enabling the study of lung function and gas exchange processes in isolation from the effects of COā.
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Physical Properties:
- Appearance: Colorless, transparent crystals or white powder.
- Solubility: Soluble in water but insoluble in alcohol.
- Melting Point: Decomposes at high temperatures before melting.
Chemical Properties:
- Molecular Formula: KAl(SOā)āĀ·12HāO
- Molecular Weight: 474.39 g/mol (for the dodecahydrate form)
- Acidity: It is slightly acidic in aqueous solution.
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