realized that ionium and thorium are chemically identical. The symbol Io was used for this supposed element. (The name is still used in ionium–thorium dating...

Ionium-thorium dating is a technique for determining the age of marine sediments based upon the quantities present of nearly stable thorium-232 and more...

parent of radium, a new element that he named ionium. Once the existence of isotopes was established, ionium was shown to in fact be thorium-230. Although...

of an information processing system use to communicate with each other Ionium (symbol Io), a claimed chemical element that was later realized to be thorium-230...

isotopes: uranium–thorium dating, based on the decay of 234U to 230Th, and ionium–thorium dating, which measures the ratio of 232Th to 230Th. These rely on...

several hundred thousand years. A related method is ionium–thorium dating, which measures the ratio of ionium (thorium-230) to thorium-232 in ocean sediment...

(actinium-228), and – independently from Boltwood – the mother substance of radium, ionium (later identified as thorium-230). In subsequent years, mesothorium I assumed...

UII Uranium II 234.041 α 100 % 2.455·105 a 4.8598 230Th 11.6708 230Th Io Ionium 230.033 α 100 % 7.538·104 a 4.76975 226Ra 16.4406 226Ra Ra Radium 226.025...

Hermann wrongly believed ilmenium to be an element. Io Ionium 65 Demarçay wrongly believed ionium to be a new element. Was actually terbium. J Jodium 53...

radium, "ionium". Researchers eventually determined that ionium was actually an isotope of thorium, 230Th. Soddy asked Hitchins to investigate ionium. She...

h 2.194285 234U 234U UII Uranium II α 2.45×105 a 4.8698 230Th 230Th Io Ionium α 7.54×104 a 4.76975 226Ra 226Ra Ra Radium α 1600 a 4.87062 222Rn 222Rn...

"XVII. The relation between uranium and radium.—Part VI. The life-period of ionium". Philosophical Magazine. 6. 30 (176): 209–219. doi:10.1080/14786440808635387...

(Thor), a god associated with thunder in Norse mythology.  · Former name ionium (Io) was given early in the study of radioactive elements to the Thorium-230...

Curie on studies of actinium. With Curie, she redetermined the half-life of ionium using a method that minimized effects of error in atomic weights. Cotelle...

published evidence suggesting that the radioactive thorium isotope 230Th and ionium are identical. 1916 — special honor from the German Chemical Society 1919...

writing. 鑀 is used in Taiwan for both einsteinium (mainland China: 锿) and ionium, a previous name for the isotope thorium-230.[citation needed] In 1871,...

Costa; Mary Virginia Orna (2015). From Monium to Victorium and in pursuit of Ionium and Incognitum .... The element E or X2. Oxford University Press. pp. 207–208...

Horovitz demonstrated the second known case of isotopes by showing that ionium, a recently discovered element, was in fact thorium-230. In 1918, he moved...

Otto Hahn, Rona resigned. She joined Hahn's staff in Berlin to separate ionium (now known as Th-230) from uranium. Hyperinflation in the Weimar Republic...

G-99. Willibald Jentschke, F. Prankl, and F. Hernegger Die Spaltung des Ioniums under Neutronenebestrahlung, Die Naturwissenschaften Volume 28, Issue 20...

"XVII. The relation between uranium and radium. Part VI. The life-period of ionium". Philosophical Magazine. 6. 30 (176): 209–219. doi:10.1080/14786440808635387...

weights depending on the source. Horovitz and Hönigschmid later proved that ionium, a radioactive element discovered by Bertram Boltwood, was in fact an isotope...