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Signs & Symbols Terms Starting With Numbers Meas. Unit & Conv.

Radiation units

Radiation units :

1 Becquerel (Bq) (SI unit of activity or “radioactivity”) dimensions (s-1)
≈ 27.0270 picocuries (pCi).
1 Curie (Ci)
= 3.7 x 10¹⁰ atomic disintegrations per second (dpm)
= 27.027 millicuries (mCi)
= 37 gigabecquerels (GBq)
1 Gray (Gy)
= 1 Joules per kilogram (J/kg)
1 Sievert (Sv)
= 100 rem
1 Curie (Ci)
= 1 Ci = 37 GBq
1 Röntgen R
= 1 R = 258 mC/kg
1 Rad rad
= 100 rad = 1 Gy
1 Rem rem
= 100 rem = 1 Sv