D unit

This article needs a revision: Why new unit, use it, how did the unit come about, who introduced it - Thank you and greetings Woelle ffm (Uwe) ( discussion ) 09:22, 17 Dec. 2018 (CET)
Please help improve it , and then remove this mark.

The D unit was a 1925 established unit for measuring the ion dose for X-rays .

1 D-unit = 100 R = 258 · 10 ^-4 C / kg

literature

• François Cardarelli: Scientific Unit Conversion. A Practical Guide to Metrication , Springer Verlag, London 1997, p. 161
• Hans Breuer: Pocket Atlas of Physics for Physicians . Springer-Verlag, 2013, p. 315 - Google Books