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Ticker tape timer
Original price was: $6,000.00.$5,500.00Current price is: $5,500.00.
Voltalic cell
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Vacuum and air pressure pump combined
Original price was: $8,500.00.$6,900.00Current price is: $6,900.00.
Combining a vacuum pump with an air pressure pump in a laboratory setting can offer versatile control over atmospheric conditions within experimental setups. Here’s how they can be used together:
- Vacuum Pump: A vacuum pump removes air or gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. This is useful for various laboratory applications such as:
- Removing air from containers or chambers to create a vacuum for experiments involving gases or vacuum-distillation techniques.
- Evacuating air from reaction vessels to prevent unwanted reactions with oxygen or moisture.
- Facilitating the transfer of liquids through vacuum filtration systems.
- Assisting in the operation of vacuum ovens or freeze dryers for sample preparation or preservation.
- Air Pressure Pump: An air pressure pump, also known as a compressor, increases the pressure of air or gas within a system. In a laboratory, it can be employed for tasks like:
- Supplying compressed air for pneumatic equipment or instruments requiring air-driven operation.
- Pressurizing reaction vessels or chambers for experiments requiring elevated pressures, such as high-pressure chemical synthesis or hydrothermal reactions.
- Generating pressure differentials for applications like air-powered suction or sample manipulation.
- Facilitating gas exchange in bioreactors or fermenters used for cell culture or microbial growth.
When combined, these pumps can be integrated into complex experimental setups where precise control over both vacuum and pressure conditions is necessary. For instance:
- In materials science, they might be used to manipulate the environment during thin-film deposition processes.
- In chemistry, they could be employed for vacuum distillation followed by pressurized reactions.
- In biology, they might facilitate the controlled atmosphere required for tissue culture or cell incubation experiments.
Description
Vacuum and air pressure pump combined
- Gas Purging and Sample Handling:
- When dealing with sensitive samples, it’s crucial to maintain a controlled environment. The combination of vacuum and pressure pumps allows for precise control over the atmosphere within a chamber. For example, in gas chromatography, where precise gas flow and pressure are required for accurate analysis, this combination ensures optimal conditions.
- Hydrogenation Reactions:
- In organic chemistry, hydrogenation reactions often require both vacuum and pressure. Vacuum is used to remove air and moisture, which can interfere with the reaction, while pressure is applied to enhance the reaction rate and yield. The combined pumps facilitate these conditions, enabling efficient hydrogenation processes.
- Vacuum Distillation:
- Vacuum distillation is a technique used to lower the boiling point of a solvent by reducing the pressure above the liquid. By combining a vacuum pump to create low pressure with an air pressure pump to regulate the system, precise control over the distillation process can be achieved, leading to higher purity of the distillate.
- Thin Film Deposition:
- In materials science, thin film deposition techniques like physical vapor deposition (PVD) or chemical vapor deposition (CVD) often require controlled atmospheres. The combination of vacuum and pressure pumps enables the creation of specific gas environments conducive to deposition processes, ensuring uniform film growth and quality.
- Bioreactors and Fermentation:
- In biotechnology and microbiology, bioreactors and fermentation processes often require precise control over gas exchange and pressure conditions. The combined pumps can regulate the flow of gases into and out of the system, optimizing growth conditions for microorganisms and cell cultures.
- Vacuum Filtration:
- Vacuum filtration is commonly used in laboratories for separating solids from liquids. The vacuum pump creates suction to pull the liquid through a filter paper or membrane, while the air pressure pump can assist in maintaining consistent pressure levels for efficient filtration.
- Environmental Chambers:
- Environmental chambers simulate various environmental conditions for testing purposes. The combination of vacuum and pressure pumps allows researchers to create custom environments with controlled temperature, humidity, and gas composition, essential for studying the effects of different conditions on materials or biological sample
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Shemomo –
Highly versatile.