KnowraPotassium-40Linked fromLinked fromThe 13 pages that link to Potassium-40, each with the reason it gives.All 13Broader topic 8Related 2Compared with 3Argon–argon datingRelated: Its decay supplies the radiogenic argon-40 measured against irradiation-produced argon-39.K–Ar datingRelated: Its decay supplies the radioactive clock measured in K–Ar dating.