共 50 条
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- [43] DETERMINATION OF LEAD IN PLANT-MATERIAL WITH THE USE OF CRYPTAND(2.2.2) AND EOSIN CHEMIA ANALITYCZNA, 1988, 33 (06): : 911 - 915
- [46] INFLUENCE OF METAL TOOLS ON THE HEAVY-METAL CONTENT OF PLANT-MATERIAL LANDWIRTSCHAFTLICHE FORSCHUNG, 1980, 33 (2-3): : 257 - 260
- [47] DETERMINATION OF THE IRON AND SULFUR-CONTENT OF COALS ON THE BASIS OF GAMMA-RADIATION SCATTERING INDUSTRIAL LABORATORY, 1983, 49 (04): : 436 - 437
- [49] TOTAL SULFUR DETERMINATION IN PLANT MATERIAL FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1977, 286 (05): : 367 - 368
- [50] DETERMINATION OF THE SULFUR-CONTENT OF GEOLOGICAL SAMPLES BY X-RAY FLUORESCENT ANALYSIS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1980, 304 (2-3): : 125 - 128