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Colony Spreader

Colony Spreader is used to distribute microbial suspensions evenly on agar surfaces in Petri dishes. They ensure consistent colony growth by enabling smooth and uniform spreading. These tools are available in different materials and formats to suit various lab protocols. Our design simplicity and efficiency make it essential in microbiology and clinical labs. This is designed for safe handling and delivers reliable performance across repeated plating procedures.

Centrifugal Speed

220 rpm, 250 rpm, 300 rpm, 350 rpm

Operative Temperature

15℃ ~ 30℃

Relative Humidity

≤ 80% (at 30℃)

Electric Current

0.5 A

Power

AC 220V ± 22V, 50Hz ± 1Hz

FAQ for Colony Spreader

1: What is the purpose of using a colony spreader in microbiology?

It ensures the even distribution of microbial cultures on agar plates, promoting uniform colony formation for accurate analysis and comparison.

2: Can colony spreaders be autoclaved for sterilization?

Yes, most stainless steel and some plastic spreaders are fully autoclavable, making them reusable and contamination-free for lab use.

3: Is there a preferred technique when using a colony spreader?

Yes, a gentle circular or zigzag motion is recommended to ensure even distribution without damaging the agar surface or clumping the inoculum.

4: Is the colony spreader suitable for quantitative microbial testing?

Yes, when used with standardized inoculum volumes, colony spreaders support precise plating techniques required for quantitative microbial analysis.


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