Convert Curies per kilogram to Disintegrations per minute per gram
Convert Curies per kilogram (Ci/kg) to Disintegrations per minute per gram (dpm/g) instantly and accurately.
Conversion Formula
dpm/g = Ci/kg × 2220000000
About Curies per kilogram
The curie per kilogram (Ci/kg) equals 3.7 × 10¹⁰ Bq/kg = 37 GBq/kg. High specific activity sealed sources: ¹¹¹In and ¹³³Xe produced in accelerators are characterised in Ci/kg; ⁴²K formed by neutron activation in high-potassium food samples in research irradiators reaches Ci/kg values. 1 Ci/kg = 3.7 × 10¹⁰ Bq/kg.
About Disintegrations per minute per gram
The disintegration per minute per gram (dpm/g) equals exactly 1000/60 Bq/kg ≈ 16.67 Bq/kg. Widely used in liquid scintillation counting (LSC) of ³H and ¹⁴C-labelled compounds and in nuclear forensics for soil and sediment analysis; geochemists report natural radionuclide concentrations in volcanic rocks and marine sediments in dpm/g. 1 dpm/g = 1000/60 Bq/kg.
Quick Reference Table
| Curies per kilogram (Ci/kg) | Disintegrations per minute per gram (dpm/g) |
|---|---|
| 1 Ci/kg | 2.22 × 109 dpm/g |
| 2 Ci/kg | 4.44 × 109 dpm/g |
| 5 Ci/kg | 1.11 × 1010 dpm/g |
| 10 Ci/kg | 2.22 × 1010 dpm/g |
| 25 Ci/kg | 5.55 × 1010 dpm/g |
| 50 Ci/kg | 1.11 × 1011 dpm/g |
| 100 Ci/kg | 2.22 × 1011 dpm/g |