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.

• 摘要疏基棉分离富集，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。