Features:
Airtight container used to keep substances dry
Fitted with a lid that seals tightly to prevent moisture entry
Contains a compartment for desiccants like silica gel or anhydrous calcium chloride
Used to store moisture-sensitive materials or cool hot crucibles in a moisture-free environment
Maintains a low-humidity atmosphere inside
Common in labs handling hygroscopic chemicals or samples requiring dry storage
Transparent or opaque lid for visibility or light protection
Available in vacuum and non-vacuum types
Specifications:
Material: Borosilicate glass, polypropylene, or polycarbonate
Shape: Circular base with flanged rim and dome-shaped lid
Seal: Greased glass flange or rubber gasket for airtight seal
Desiccant chamber: Space at the bottom for drying agents
Sizes: Vary based on internal diameter (commonly 100 mm, 150 mm, 200 mm, etc.)
Lid type: Plain for standard use or with stopcock for vacuum applications
Vacuum compatibility: Vacuum desiccators withstand reduced pressure using stopcocks and reinforced construction
Temperature resistance: High for glass; moderate for plastic
Sterilization: Glass types are autoclavable; plastic types depend on material
Specifications:
Volume: typically 0.5 mL to 50 mL
Material: Polypropylene or polyethylene
Cap type: Screw cap with or without O-ring, snap cap, or plug seal
Temperature range: -80°C to 121°C
Dimensions: varies by volume (e.g., 1.5 mL vial approx. 11 mm diameter × 45 mm height)
Graduation interval: varies, commonly every 0.1 mL or 0.5 mL
Specifications:
Material: Polystyrene (disposable) or borosilicate glass (reusable)
Diameter: 60 mm, 90 mm, 100 mm, 150 mm
Depth: 15 mm to 25 mm
Lid type: loose-fitting, flat or domed
Temperature range:
– Polystyrene: up to 60°C
– Glass: up to 180°C and autoclavable
Specifications:
Material: Borosilicate glass or polypropylene (based on model)
Sizes: 250 mL, 500 mL, 1000 mL, 2000 mL
Chambers: three vertically aligned sections—top (acid), middle (solid reactant), bottom (liquid reservoir)
Valves: glass or plastic stopcocks for gas outlet control
Temperature resistance: up to 180°C (for glass models)
Chemical compatibility: resistant to acids and common laboratory reagents
Specifications:
Material: Polypropylene or polystyrene
Capacity: 25 mL, 50 mL, 100 mL, or more
Bottom type: V-bottom or sloped
Dimensions: compatible with ANSI/SLAS plate formats (for automation)
Sterilization (for sterile versions): gamma irradiation or ethylene oxide
Temperature resistance: up to 121°C (autoclavable if polypropylene)
Features: may include lid, anti-drip spouts, and non-pyrogenic options
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