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RCF Calculation Formula

RCF Equation:

\[ RCF = \left(\frac{RPM}{1000}\right)^2 \times r \times 1.118 \]

RPM
mm

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1. What is the RCF Calculation Formula?

The RCF (Relative Centrifugal Force) formula calculates the force exerted in a centrifuge, which is important for various laboratory procedures and industrial applications.

2. How Does the Calculator Work?

The calculator uses the RCF equation:

\[ RCF = \left(\frac{RPM}{1000}\right)^2 \times r \times 1.118 \]

Where:

Explanation: The equation converts rotational speed (RPM) and radius into relative centrifugal force measured in g-force.

3. Importance of RCF Calculation

Details: Accurate RCF calculation is crucial for proper centrifugation protocols, ensuring consistent results in laboratory experiments and industrial processes.

4. Using the Calculator

Tips: Enter RPM (revolutions per minute) and radius in millimeters. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why is RCF important in centrifugation?
A: RCF provides a standardized measure of centrifugal force that allows for consistent results across different centrifuges and protocols.

Q2: What is the typical range of RCF values?
A: RCF values can range from a few hundred g for low-speed centrifuges to over 100,000 g for ultracentrifuges.

Q3: How does radius affect RCF?
A: RCF increases proportionally with radius when RPM is constant, meaning larger rotors generate higher forces at the same speed.

Q4: Can I use this formula for any centrifuge?
A: Yes, this formula is universally applicable to all centrifuges, but always verify with manufacturer specifications for critical applications.

Q5: Why use RCF instead of RPM?
A: RCF provides a more accurate measure of the actual force applied to samples, as it accounts for both rotational speed and rotor geometry.

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