Desiccator
Desiccators are airtight glass vessels used in laboratories for drying and storing solid chemical substances. They use desiccants to remove moisture and protect samples from environmental influences.
Product
Desiccator
Desiccators are airtight glass vessels used in laboratories for drying and storing solid chemical substances. They use desiccants to remove moisture and protect samples from environmental influences.
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Milian SA
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Guide and selection support
Desiccators are primarily used in laboratories for drying and moisture-free storage of sensitive solids, for example in preparative chemistry. They prevent moisture absorption through an airtight seal and the use of drying agents.
Key factors when selecting a desiccator are the material (glass or plastic), size, joint quality, and type of desiccant, as well as user-friendly handling and lid tightness. Grinding grease is often used to ensure an airtight seal.
LabFinder provides a structured overview of desiccators, helping you find the right design for your application needs and making it easier to navigate between variants and features.
Applications and Uses
Desiccators are airtight containers, usually made of thick-walled glass, used in the laboratory to dry and protect solid chemical substances from moisture. They are mainly applied in preparative chemistry to prevent water or other moisture damage to materials. A desiccant is placed below an insert to dehumidify the interior air, thus supporting the storage and preparation of chemical samples.
Selection Criteria
Important factors when choosing a desiccator include material (mainly glass, less frequently plastic), volume depending on sample quantity, the quality of ground joints, and the lid's tightness. Grease is often used on joints to ensure an airtight seal. The type and amount of desiccant depend on the substance to be dried and the desired level of dryness. Ergonomics and ease of handling are also relevant aspects.
Variants and Measurement Principles
Desiccators differ mainly in material, size, and design of the inserts. Options include simple vessels with ceramic or plastic inserts as well as versions with integrated desiccant holders. Desiccators do not have a classical measurement principle, as they operate passively by the moisture absorption of the drying agent. The choice of a suitable desiccant depends on the requirements for absorption performance and compatibility with the substance.
Calibration and Maintenance
Desiccators do not require calibration. Regular cleaning, inspection of the ground joint for damage, and monitoring the condition of the joint grease are important for ensuring airtightness. The desiccant must be replaced or regenerated regularly, depending on moisture uptake. Careful maintenance ensures long-lasting functionality.
Application Limits
Desiccators are limited to drying or storing solid, non-gaseous substances. For materials highly sensitive to air or light, additional protective measures are necessary. Liquids or gaseous samples are unsuitable for storage in desiccators. Effectiveness depends on the right choice and regular replacement or regeneration of the desiccant.
Search Terms and Related Concepts
Synonyms for desiccator include exsiccator, drying container, drying cabinet, drying cylinder, moisture remover, airtight drying container, and laboratory desiccator. Related topics are chemical drying, dry storage, and airtight sealing. Search terms aid quick orientation for laboratory devices used for drying solid materials.
Also known as
Airtight drying container
Desiccator vessel
Desiccator with joint grease
Drying cabinet
Drying container
Drying cylinder
Exsiccator
Glass desiccator
Laboratory desiccator
Moisture remover
Related categories
Suitable brands
Frequently asked questions
How does a desiccator work?
A desiccator removes moisture from the air inside an airtight vessel using a desiccant placed inside, effectively drying or keeping solid samples dry.
Which desiccants are used in desiccators?
Common desiccants include silica gel, calcium chloride, or activated carbon, depending on moisture absorption needs and the chemical requirements of the substances to be dried.
What should I consider when selecting a desiccator?
Key considerations are the material (glass or plastic), size, ground joint quality, lid tightness, and compatibility of the desiccant with your samples.
How do I properly care for and maintain a desiccator?
Regular cleaning, checking the ground joint for damage, renewing the joint grease, and timely replacement or regeneration of the desiccant are important for long service life.
For which substances are desiccators not suitable?
Desiccators are not suitable for gaseous or liquid samples and do not offer protection for materials highly sensitive to air or light without further precautions.
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