An internal standard method by ICP-AES for direct and quick determination of Nd, Lu, Er, Ho and Ce in mono or dual doped laser crystals YAP has heed adopted.

• 本文采用磷酸溶解样品,在不分离基体的情况下,用ICP-AES内标法直接、快速测定YAP激光晶体中单掺或双掺钕、镥、铒、钬、铈的含量;