HUMIC MATTER ISOLATED FROM SOILS AND WATER BY THE XAD-8 RESIN AND CONVENTIONAL NAOH METHODS

[11] Malcolm R. L., 1985, HUMIC SUBSTANCES SOI, P181

[12] ANALYTICAL CONCENTRATION OF HUMIC SUBSTANCES FROM NATURAL-WATERS [J]. ANALYTICA CHIMICA ACTA, 1975, 76 (01) : 97 - 106

[13] Robinson T., 1967, ORGANIC CONSTITUENTS

[14] ANALYSIS OF HUMIC ACIDS BY SOLUTION AND SOLID-STATE C-13 NUCLEAR-MAGNETIC-RESONANCE [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1986, 50 (02) : 326 - 331

[15] SCHNITZER M., 1959, SOIL SCI, V87, P252, DOI 10.1097/00010694-195905000-00003

[16] Schnitzer M., 1986, Interactions of soil minerals with natural organics and microbes, P77

[17] Schnitzer M., 1972, HUMIC SUBSTANCES ENV

[18] SCHNITZER M, 1965, SOIL SCI, V99, P279

[19] SCHNITZER M, 1982, METHODS SOIL ANAL 2, P580

[20] CONCENTRATION OF VOLATILE SUBSTANCES IN AQUEOUS SOLUTION AND PRODUCTION OF WATER FREE OF ORGANICS BY FREEZING OUT [J]. ANALYTICAL CHEMISTRY, 1967, 39 (02) : 280 - &

[11] Malcolm R. L., 1985, HUMIC SUBSTANCES SOI, P181

[12] ANALYTICAL CONCENTRATION OF HUMIC SUBSTANCES FROM NATURAL-WATERS [J]. ANALYTICA CHIMICA ACTA, 1975, 76 (01) : 97 - 106

[13] Robinson T., 1967, ORGANIC CONSTITUENTS

[14] ANALYSIS OF HUMIC ACIDS BY SOLUTION AND SOLID-STATE C-13 NUCLEAR-MAGNETIC-RESONANCE [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1986, 50 (02) : 326 - 331

[15] SCHNITZER M., 1959, SOIL SCI, V87, P252, DOI 10.1097/00010694-195905000-00003

[16] Schnitzer M., 1986, Interactions of soil minerals with natural organics and microbes, P77

[17] Schnitzer M., 1972, HUMIC SUBSTANCES ENV

[18] SCHNITZER M, 1965, SOIL SCI, V99, P279

[19] SCHNITZER M, 1982, METHODS SOIL ANAL 2, P580

[20] CONCENTRATION OF VOLATILE SUBSTANCES IN AQUEOUS SOLUTION AND PRODUCTION OF WATER FREE OF ORGANICS BY FREEZING OUT [J]. ANALYTICAL CHEMISTRY, 1967, 39 (02) : 280 - &