共 50 条
- [45] METAL TRACE ANALYSIS OF HIGH-PURITY REFRACTORY-METALS WITH MATRIX-SEPARATION ANALES DE QUIMICA, 1994, 90 (01): : 116 - 124
- [47] DETERMINATION OF TRACE TRANSITION-ELEMENTS IN ULTRA HIGH-PURITY SODIUM AND CALCIUM CARBONATES BY NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1973, 18 (1-2): : 133 - 143
- [48] ACTIVATION ANALYSIS OF HIGH-PURITY LUBRICANTS FOR TRACE ELEMENTS NUCLEAR APPLICATIONS, 1967, 3 (06): : 375 - &