共 32 条
- [21] KURANOV AA, 1960, ZH ANALIT KHIM, V15, P476
- [23] SCHOELLER WR, 1955, ANALYSIS MINERALS OR, P348
- [25] STUDY OF OSMIUM AND RUTHENIUM DISTILLATIONS [J]. ANALYTICAL CHEMISTRY, 1954, 26 (04) : 739 - 741
- [26] WESTLAND AD, 1960, MIKROCHIM ACTA, P625
- [27] Preparing refractory oxides, silicates, and ceramic materials for analysis, by heating with acids in sealed tubes at elevated temperatures [J]. JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1944, 33 (06): : 451 - 456
- [28] Attack of refractory platiniferous materials by acid mixtures at elevated temperatures [J]. JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1944, 33 (05): : 363 - 381
- [29] WICHERS E, 1944, J RES NBS, V33, P457
- [30] WILSON CL, 1962, COMPREHENSIVE ANALYT, P690