共 50 条
- [21] POLAROGRAPHIC-DETERMINATION OF KJELDAHL NITROGEN JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1982, 65 (01): : 178 - 180
- [22] THE DETERMINATION OF NITROGEN IN THEOBROMINE BY THE KJELDAHL METHOD JOURNAL OF THE AMERICAN PHARMACEUTICAL ASSOCIATION-SCIENTIFIC EDITION, 1945, 34 (09): : 238 - 239
- [24] Uncertainty of nitrogen determination by the Kjeldahl method Accreditation and Quality Assurance, 1999, 4 : 504 - 510
- [26] The determination of nitrogen according to Kjeldahl. HOPPE-SEYLERS ZEITSCHRIFT FUR PHYSIOLOGISCHE CHEMIE, 1903, 39 (05): : 467 - 472
- [30] THE DETERMINATION OF KJELDAHL NITROGEN IN THE PRODUCTION OF POTABLE WATER NITROGEN POLLUTION OF WATER, 1988, 6 : 17 - 24