共 6 条
[3]
CONCENTRATION METHODS IN SPECTROGRAPHIC ANALYSIS .2. RECOVERY OF TRACE CONSTITUENTS IN PLANT MATERIALS AND SOIL EXTRACTS BY MIXED ORGANIC REAGENTS
[J].
JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTRY-LONDON,
1947, 66 (09)
:330-336
[4]
RODDEN CJ, 1950, ANAL CHEM MANHATTAN, P641
[5]
SANDELL EB, 1950, COLORIMETRIC METAL A, P612
[6]
TANAKA M, 1954, MIKROCHIM ACTA, P701