ACID PYROPHOSPHATE EXTRACTION OF SOIL FULVIC-ACIDS

[1] COMPARISON OF XAD MACROPOROUS RESINS FOR THE CONCENTRATION OF FULVIC-ACID FROM AQUEOUS-SOLUTION [J]. ANALYTICAL CHEMISTRY, 1979, 51 (11) : 1799 - 1803

[2] ANDRUSENKO LP, 1966, RUSSIAN J INORGANIC, V11, P676

[3] STUDIES ON SOIL ORGANIC MATTER .2. THE EXTRACTION OF ORGANIC MATTER FROM SOIL BY NEUTRAL REAGENTS [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1949, 39 (03) : 274 - 279

[4] ANALYTICAL CONCENTRATION OF PHENOLIC-COMPOUNDS FROM WATER SOLUTIONS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1984, 317 (02): : 130 - 131

[5] DETERMINATION OF OXALATE BY GAS-CHROMATOGRAPHIC MEASUREMENT OF CARBON-DIOXIDE EVOLVED FROM THE PHOTOCHEMICAL DECOMPOSITION OF IRON(III) OXALATE [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1980, 58 (06): : 627 - 630

[6] FULVIC-ACID STUDIES - EVIDENCE FOR A POLYCARBOXYLATE COORDINATION MODE AT SOIL-PH [J]. JOURNAL OF SOIL SCIENCE, 1983, 34 (04): : 783 - 799

[7] THE USE OF CHELATING REAGENTS AND ALKALINE SOLUTIONS IN SOIL ORGANIC-MATTER EXTRACTION [J]. JOURNAL OF SOIL SCIENCE, 1959, 10 (01): : 110 - 118

[8] MOLECULAR-WEIGHT DISTRIBUTION OF SOIL ORGANIC-MATTER AS AFFECTED BY ACID PRETREATMENT AND FRACTIONATION INTO HUMIC AND FULVIC ACIDS [J]. JOURNAL OF SOIL SCIENCE, 1975, 26 (03): : 207 - 222

[9] MOSSBAUER SPECTROSCOPIC STUDY OF THE EFFECT OF PH ON THE REACTION BETWEEN IRON AND HUMIC-ACID IN AQUEOUS-MEDIA [J]. JOURNAL OF SOIL SCIENCE, 1979, 30 (01): : 85 - 91

[10] Gordienko VI, 1970, RUSS J INORG CHEM, V15, P1241

[1] COMPARISON OF XAD MACROPOROUS RESINS FOR THE CONCENTRATION OF FULVIC-ACID FROM AQUEOUS-SOLUTION [J]. ANALYTICAL CHEMISTRY, 1979, 51 (11) : 1799 - 1803

[2] ANDRUSENKO LP, 1966, RUSSIAN J INORGANIC, V11, P676

[3] STUDIES ON SOIL ORGANIC MATTER .2. THE EXTRACTION OF ORGANIC MATTER FROM SOIL BY NEUTRAL REAGENTS [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1949, 39 (03) : 274 - 279

[4] ANALYTICAL CONCENTRATION OF PHENOLIC-COMPOUNDS FROM WATER SOLUTIONS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1984, 317 (02): : 130 - 131

[5] DETERMINATION OF OXALATE BY GAS-CHROMATOGRAPHIC MEASUREMENT OF CARBON-DIOXIDE EVOLVED FROM THE PHOTOCHEMICAL DECOMPOSITION OF IRON(III) OXALATE [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1980, 58 (06): : 627 - 630

[6] FULVIC-ACID STUDIES - EVIDENCE FOR A POLYCARBOXYLATE COORDINATION MODE AT SOIL-PH [J]. JOURNAL OF SOIL SCIENCE, 1983, 34 (04): : 783 - 799

[7] THE USE OF CHELATING REAGENTS AND ALKALINE SOLUTIONS IN SOIL ORGANIC-MATTER EXTRACTION [J]. JOURNAL OF SOIL SCIENCE, 1959, 10 (01): : 110 - 118

[8] MOLECULAR-WEIGHT DISTRIBUTION OF SOIL ORGANIC-MATTER AS AFFECTED BY ACID PRETREATMENT AND FRACTIONATION INTO HUMIC AND FULVIC ACIDS [J]. JOURNAL OF SOIL SCIENCE, 1975, 26 (03): : 207 - 222

[9] MOSSBAUER SPECTROSCOPIC STUDY OF THE EFFECT OF PH ON THE REACTION BETWEEN IRON AND HUMIC-ACID IN AQUEOUS-MEDIA [J]. JOURNAL OF SOIL SCIENCE, 1979, 30 (01): : 85 - 91

[10] Gordienko VI, 1970, RUSS J INORG CHEM, V15, P1241