共 50 条
- [1] DETERMINATION OF GALLIUM AT THE PPB LEVEL IN SOUTH-AFRICAN PRIMARY AND SECONDARY REFERENCE SAMPLES BY ION-EXCHANGE CHROMATOGRAPHY AND ELECTROTHERMAL ATOMIC-ABSORPTION SPECTROPHOTOMETRY GEOSTANDARDS NEWSLETTER, 1985, 9 (01): : 17 - 18
- [2] ACCURATE DETERMINATION OF GALLIUM IN SOUTH-AFRICAN PRIMARY AND SECONDARY REFERENCE SAMPLES BY ION-EXCHANGE CHROMATOGRAPHY AND ATOMIC-ABSORPTION SPECTROMETRY GEOSTANDARDS NEWSLETTER-THE JOURNAL OF GEOSTANDARDS AND GEOANALYSIS, 1984, 8 (02): : 163 - 167
- [3] ACCURATE DETERMINATION OF COPPER IN SOUTH-AFRICAN PRIMARY AND SECONDARY REFERENCE SAMPLES BY CATION-EXCHANGE CHROMATOGRAPHY AND ATOMIC-ABSORPTION SPECTROMETRY GEOSTANDARDS NEWSLETTER, 1983, 7 (01): : 227 - 232
- [4] ACCURATE DETERMINATION OF COBALT IN SOUTH-AFRICAN PRIMARY AND SECONDARY GEOCHEMICAL REFERENCE MATERIALS BY CATION-EXCHANGE CHROMATOGRAPHY AND ATOMIC-ABSORPTION SPECTROMETRY GEOSTANDARDS NEWSLETTER, 1986, 10 (01): : 13 - 18
- [5] ACCURATE DETERMINATION OF NICKEL IN SOUTH-AFRICAN PRIMARY AND SECONDARY GEOCHEMICAL REFERENCE MATERIALS BY CATION-EXCHANGE CHROMATOGRAPHY AND ATOMIC-ABSORPTION SPECTROMETRY GEOSTANDARDS NEWSLETTER, 1987, 11 (02): : 187 - 192
- [9] SIMULTANEOUS DETERMINATION OF LEAD CADMIUM IN BLOOD AND URINE BY COUPLING ION-EXCHANGE RESIN CHROMATOGRAPHY AND ATOMIC-ABSORPTION SPECTROPHOTOMETRY ARCHIVES DES MALADIES PROFESSIONNELLES DE MEDECINE DU TRAVAIL ET DE SECURITE SOCIALE, 1972, 33 (03): : 97 - &