共 50 条
- [41] Note on the use of potassium permanganate in the determination of nitrogen by the Kjeldahl method JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1921, 13 : 362 - 363
- [42] TELLURIUM AS CATALYST IN SEMIMICRO KJELDAHL METHOD FOR TOTAL NITROGEN DETERMINATION JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1982, 65 (04): : 786 - 790
- [43] COULOMETRIC DETERMINATION OF KJELDAHL NITROGEN JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1966, 49 (04): : 865 - &
- [46] Note on the use of potassium permanganate in the determination of nitrogen by the Kjeldahl method JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1921, 13 : 358 - 360
- [48] DETERMINATION OF KJELDAHL NITROGEN AND EXCHANGEABLE AMMONIUM IN SOIL BY THE INDOPHENOL METHOD ACTA AGRICULTURAE SCANDINAVICA, 1986, 36 (01): : 60 - 70
- [49] Note on the use of potassium permanganate in the determination of nitrogen by the Kjeldahl method JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1921, 13 : 360 - 361
- [50] COMPARISON OF AUTOMATED-METHOD AND IMPROVED AOAC KJELDAHL METHOD FOR DETERMINATION OF PROTEIN IN MEAT AND MEAT-PRODUCTS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1981, 64 (01): : 29 - 31