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:
Material: Polypropylene, high-density polyethylene (HDPE), or wire-coated metal
Capacity: typically 20, 40, or 60 vials (varied based on model)
Vial diameter compatibility: approx. 16 mm to 28 mm
Rack dimensions: approx. 200–350 mm length, 80–150 mm width, 30–100 mm height
Temperature range: -20°C to 100°C
Specifications:
Volume: typically 1.0 mL, 1.5 mL, 2.0 mL, 4.0 mL, or 5.0 mL
Material: Medical-grade polypropylene
Temperature range: down to -196°C (in vapor phase liquid nitrogen)
Cap type: External or internal thread with O-ring seal
Dimensions: varies by volume; e.g., 2.0 mL vial ~12.5 mm diameter × 48 mm height
Max RCF: up to 17,000 x g (varied by model)
Specifications:
Material: Polypropylene (PP)
Capacity: 25, 81, or 100 cryo vials
Compatibility: 1.0 mL to 5.0 mL cryo vials
Dimensions: 133 mm × 133 mm × 52 mm (for 100-place box)
Grid layout: 5×5, 9×9, or 10×10 configuration
Temperature range: -90°C to 121°C
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
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