Features:
Long, graduated glass or plastic tube with a stopcock at the bottom
Delivers precise volumes of liquid during titration
Fine control over liquid flow using the stopcock
Mounted vertically on a stand for accurate readings
Clear markings for easy volume measurement
Used in quantitative chemical analysis, especially titrations
Transparent body for visibility of liquid level and air bubbles
Easy to clean and refill between uses
Specifications:
Material: Borosilicate glass or plastic (e.g., polycarbonate, acrylic)
Capacity: Common sizes are 25 mL, 50 mL, and 100 mL
Graduations: Precise, with subdivisions as small as 0.1 mL
Stopcock: Glass or PTFE (Teflon) for smooth, chemical-resistant operation
Accuracy: Class A or Class B based on tolerance standards
Mounting: Requires burette clamp and stand
Filling method: Manual or via automatic burette filler
Temperature resistance: High for glass; lower for plastic
Sterilization: Glass burettes are autoclavable; plastic burettes 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: Polypropylene or polyethylene
Diameter: 11–14 mm (varied based on vial cap size)
Color options: often sets of 5–10 colors (e.g., red, blue, green, yellow, white, etc.)
Temperature range: -80°C to 121°C
Compatibility: fits external or internal thread cryo vials (varied by model)
Specifications:
Material: Polycarbonate, polypropylene, or cardboard with water-repellent coating
Capacity: 25, 40, 81, or 100 cryo vials
Compatibility: 1.0 mL to 5.0 mL cryo vials
Dimensions: 133 mm × 133 mm × 52 mm (for standard 100-place box)
Temperature range: -196°C to 121°C
Grid format: 5×5, 8×8, 9×9, or 10×10 layout (based on model)
Specifications:
Material: Medical-grade polystyrene
Diameter: 60 mm, 90 mm, 100 mm, or 150 mm
Depth: 15 mm to 20 mm
Lid type: Flat or domed, with or without ventilation ribs
Temperature resistance: up to 60°C
Sterilization method (for sterile versions): Gamma irradiation or ethylene oxide
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