The trace Pb and Cd in calcium salts were separated and enriched with sulphydryl cotton,and determined by FAAS.The method is accurate,precise,convenient,and quick with satisfactory results.

• 巯基棉分离富集,火焰原子吸收光谱法同时测定钙盐中的痕量铅、镉,大量钙不干扰铅、镉的测定。方法简单易行,结果令人满意的。