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Cocktail W (scintilation grade) - (Liquid Scintillaton solution in Dioxan, Contents:- PPO 10g/L, POPOP -0.25g/L, Naphthalene -100g/L (100g of solution at 5°C will hold 25gm watwithout precipitatIng Naphthalene)
C 2431 (OTTO) Cocktail W - used in scintilation.