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锂同位素~6Li和~7Li由于相对质量差相当大,在自然界矿物形成时发生同位素分馏效应很明显。国际原子量委员会“元素的同位素丰
Lithium isotopes ~ 6Li and ~ 7Li due to the relative mass difference is quite large, natural mineral formation occurs isotope fractionation effect is obvious. International Atomic Energy Commission "element isotope abundance