Sentences with 'potassium'
Example sentences and phrases with the word potassium and other words derived from it.
• « Excavations along a river valley on the edge of Kenya have revealed hundreds of fragments of skulls, teeth, vertebrae and phalanges, which radioactive potassium has been used to date back some two and a half million years. »
• « For more distant dates it is possible to find out from the potassium radioisotope K - 40, whose decay is even slower than that of C - 14. »
• « For more distant dates it is possible to find out from the potassium radioisotope K40, whose decay is even slower. »