dk_time {radsafer}

Time to decay to target radioactivity.

Description

Calculate time for a radionuclide to decay to a target activity.

Usage

dk_time(half_life, A0, A1)

Arguments

half_life

Half-life. Units are arbitrary, but must match time past.

A0

The original activity, or related parameter.

A1

The target activity.

Value

Time, in same units as half-life, to decay to target activity.

See Also

Other decay corrections: dk_correct(), dk_pct_to_num_half_life()

Examples

# A carbonaceous artifact has a C-14 measurement of 1 dpm per g pure carbon.
# The reference activity is 14 dpm per g pure carbon. How old is our sample?
dk_time(half_life = 5730, A0 = 14, A1 = 1)