A RAPID METHOD FOR THE DETERMINATION OF NITROGEN, PHOSPHORUS AND POTASSIUM IN PLANT MATERIALS

[1] PHOTOMETRIC ANALYSIS OF PHOSPHATE ROCK [J]. ANALYTICAL CHEMISTRY, 1948, 20 (11) : 1068 - 1073

[2] THE DETERMINATION OF POTASSIUM IN SOIL EXTRACTS WITH A FLAME PHOTOMETER [J]. ANALYST, 1952, 77 (919) : 537 - 539

[3] Note on the estimation of potassium in urine [J]. BIOCHEMICAL JOURNAL, 1912, 6 : 69 - 75

[4] THE PHOTOMETRIC DETERMINATION OF PHOSPHORUS IN FERTILIZERS USING THE PHOSPHOVANADO-MOLYBDATE COMPLEX [J]. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 1950, 1 (06) : 172 - 173

[5] DETERMINATION OF NITROGEN, PHOSPHORUS, POTASSIUM, CALCIUM, AND MAGNESIUM IN PLANT TISSUE - SEMIMICRO WET-DIGESTION METHOD FOR LARGE NUMBERS OF SAMPLES [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1946, 18 (05): : 319 - 322

[6] Kitson R.E., 1944, IND ENG CHEM ANALYT, V16, P379, DOI [10.1021/i560130a017, DOI 10.1021/I560130A017]

[7] Kjeldahl J., 1883, FRESEN J ANAL CHEM, V22, P366, DOI [10.1007/BF01338151, DOI 10.1007/BF01338151]

[8] KOENIG R. A., 1942, Industrial and Engineering Chemistry. Analytical edition, V14, P155, DOI 10.1021/i560102a026

[9] Rapid analytical methods for some of the more common inorganic constituents of plant tissues [J]. PLANT PHYSIOLOGY, 1944, 19 (01) : 76 - 89

[10] A steam distillation apparatus suitable for micro-Kjeldahl analysis [J]. BIOCHEMICAL JOURNAL, 1942, 36 : 790 - 791

[1] PHOTOMETRIC ANALYSIS OF PHOSPHATE ROCK [J]. ANALYTICAL CHEMISTRY, 1948, 20 (11) : 1068 - 1073

[2] THE DETERMINATION OF POTASSIUM IN SOIL EXTRACTS WITH A FLAME PHOTOMETER [J]. ANALYST, 1952, 77 (919) : 537 - 539

[3] Note on the estimation of potassium in urine [J]. BIOCHEMICAL JOURNAL, 1912, 6 : 69 - 75

[4] THE PHOTOMETRIC DETERMINATION OF PHOSPHORUS IN FERTILIZERS USING THE PHOSPHOVANADO-MOLYBDATE COMPLEX [J]. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 1950, 1 (06) : 172 - 173

[5] DETERMINATION OF NITROGEN, PHOSPHORUS, POTASSIUM, CALCIUM, AND MAGNESIUM IN PLANT TISSUE - SEMIMICRO WET-DIGESTION METHOD FOR LARGE NUMBERS OF SAMPLES [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1946, 18 (05): : 319 - 322

[6] Kitson R.E., 1944, IND ENG CHEM ANALYT, V16, P379, DOI [10.1021/i560130a017, DOI 10.1021/I560130A017]

[7] Kjeldahl J., 1883, FRESEN J ANAL CHEM, V22, P366, DOI [10.1007/BF01338151, DOI 10.1007/BF01338151]

[8] KOENIG R. A., 1942, Industrial and Engineering Chemistry. Analytical edition, V14, P155, DOI 10.1021/i560102a026

[9] Rapid analytical methods for some of the more common inorganic constituents of plant tissues [J]. PLANT PHYSIOLOGY, 1944, 19 (01) : 76 - 89

[10] A steam distillation apparatus suitable for micro-Kjeldahl analysis [J]. BIOCHEMICAL JOURNAL, 1942, 36 : 790 - 791