Determination of 137Cs and 90Sr in the bottom sediments from the Barents Sea

Cherenkov counting of 90Sr and 90Y in bark and leaf samples collected around Fukushima Daiichi Nuclear Power Plant

“…Methods 37 for purification include the use of a specific resin [7][8][9][10][11], solvent extraction [12], and anion exchange 38 resin [13,14]. Radioactivity levels are then often determined using a gas flow proportional counter 39 [7,8,11,15,16] and a liquid scintillation counter that employs scintillation fluid [10,[17][18][19][20][21] or CherenkovSr, 137 Cs, 88 Y, and 60 Co; GE 81 Healthcare), and solid angle correction factors were determined with potassium chloride powder and 82 solution [25,26]. 83…”