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Questions and Answers
What does the first digit in the code represent?
What is the purpose of compression in aerosol manufacturing?
What happens to the equilibrium between the liquid and vapor phases when the liquid phase is removed from the container?
What is the role of the dip tube in an aerosol container?
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What is the state of fluorinated hydrocarbons at room temperature?
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What is the relationship between the degree of asymmetry and the coding system?
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What is a crucial factor in choosing a container material?
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Why must metal containers for aqueous preparations be internally coated, except for stainless steel?
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What is a disadvantage of using aluminum containers?
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What is the purpose of adding 2-3% water to absolute ethanol when using aluminum containers?
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What is a characteristic of tinplate containers?
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What can be added to the inside of tinplate and aluminum containers to increase resistance?
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What is the primary factor that affects the performance of an aerosol?
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What is the typical pressure range for space sprays at 21°C?
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What is the primary purpose of surfactants or emulsifiers in foam aerosols?
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What is the typical percentage of propellant in foam aerosols?
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Why do fluorinated hydrocarbons not dissolve in the aqueous formulation of foam aerosols?
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What is necessary to further mix the propellant throughout the product concentrate in foam aerosols?
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What is the primary advantage of using stainless steel containers for aerosol applications?
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Which type of container is typically used for pharmaceutical products with lower pressure and lower percentage of propellant?
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What is the primary function of the valve assembly in pharmaceutical aerosols?
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What determines the physical form of the product discharged from the actuator?
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What is the primary limitation of using glass containers for aerosol applications?
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What is the purpose of the actuator in a valve assembly?
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What is the primary function of a pressure-reducing valve in a compressed gas filling operation?
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What is the purpose of shaking the container during the filling operation for certain gases?
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What is the primary mechanism of product dispensation in a Bag on Valve (BOV) aerosol?
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What is the purpose of the laminated aluminum bag in a BOV aerosol?
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What is the advantage of using a pressure-reducing valve in a compressed gas filling operation?
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