F-18 Production Calculator

Calculate GBq yield of F-18 from a cyclotron based on proton beam intensity and irradiation time

Parameters

65 μA
150 minutes
75%
40 minutes
End of Production: -

Production Table

Values shown for every 5 μA (0-70) and every 5 minutes (0-160)

Time/Intensity
F18
509.9 GBq
For 65 μA and 150 minutes irradiation
FDG
0.0 GBq
Final FDG after synthesis and decay

Production Visualization

Calculation Details:
F-18 Production: A = A_sat × (1 - e^(-λt)), A_sat = 8 GBq/μA × Intensity
Final FDG = [A × e^(-λ × additional_time)] × (yield / 100)
Half-life: 109.8 min, λ = ln(2) / half-life

Detailed Data View

Parameter Value Units Description
Start of Shoot - - Start time of irradiation
Proton Beam Intensity 65 μA Current of proton beam
Irradiation Time 150 minutes Duration of irradiation
FDG Synthesis Yield 75 % Expected synthesis efficiency
Additional Transfer & Synthesis Time 40 minutes Time from cyclotron to distribution unit
End of Production - - Time at end of production
Saturation Yield 8.0 GBq/μA Maximum production per μA
Half-Life 109.8 minutes F-18 radioactive decay half-life
Decay Constant (λ) 0.00631 min⁻¹ Calculated as ln(2)/t_½
Production Efficiency 98.1 % Percentage of saturation activity achieved
Total F-18 Production 509.9 GBq Calculated F-18 production from cyclotron
Decayed F-18 After Additional Time 0.0 GBq F-18 after decay during transfer/synthesis
Final FDG Yield 0.0 GBq Final FDG after synthesis yield applied