Помогите, пожалуйста, со статьями:
1. Quantitative separation of gallium from elements by cation-exchange chromatography
Tjaart N. Van der Walt, Franz W. E. Strelow
Anal. Chem., 1983, 55 (2), pp 212–216
- DOI:
http://dx.doi.org/10.1021/ac00253a011
Johann. Korkisch, Isidor. Hazan
Anal. Chem., 1964, 36 (12), pp 2308–2311
- DOI:
http://dx.doi.org/10.1021/ac60218a027