共 50 条
- [1] PRECONCENTRATION OF TRACE-ELEMENTS BY SORPTION [J]. ANALYTICAL SCIENCES, 1991, 7 (02) : 187 - 198
- [2] PREPARATION OF CHEMICALLY MODIFIED CELLULOSE EXCHANGERS AND THEIR USE FOR THE PRECONCENTRATION OF TRACE-ELEMENTS [J]. CRC CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY, 1981, 11 (02): : 79 - 102
- [3] PRECONCENTRATION OF TRACE-ELEMENTS BY ALUMINUM HYDROXIDE [J]. MIKROCHIMICA ACTA, 1972, (05) : 586 - &
- [4] INVESTIGATION ON THE PRECONCENTRATION OF TRACE-ELEMENTS ON POLYACRYLONITRILE [J]. FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1991, 339 (12): : 874 - 876
- [7] INVESTIGATIONS ON THE ADSORPTIVE PRECONCENTRATION OF TRACE-ELEMENTS ON ADSORPTION RESINS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1987, 327 (02): : 179 - 185
- [9] PRECONCENTRATION AND SEPARATION OF TRACE-ELEMENTS BY COEXTRACTION WITH METAL NAPHTHENATES [J]. JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1988, 43 (03): : 327 - 329
- [10] UTILIZATION OF POLYURETHANE FOAMS FOR PRECONCENTRATION OF TRACE-ELEMENTS IN WATERS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1989, 334 (07): : 668 - 668