共 10 条
- [2] HOOD A, 1957, AM CHEM SOC DIV PETR, V2, P221
- [3] SEPARATION OF ORGANIC LIQUID MIXTURES BY THERMAL DIFFUSION [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1953, 45 (12): : 2689 - 2696
- [5] KNOTNERUS J, 1956, J I PETROL, V42, P355
- [6] EFFECTS OF DIGESTION TEMPERATURE ON KJELDAHL ANALYSES [J]. ANALYTICAL CHEMISTRY, 1951, 23 (11) : 1634 - 1638
- [7] BASIC NITROGEN DETERMINED BY TITRATION WITH PERCHLORIC ACID [J]. ANALYTICAL CHEMISTRY, 1951, 23 (11) : 1639 - 1641
- [9] RUARK JR, 1956, 5279 US BUR MIN REPT
- [10] 1949, D12949 AM SOC TEST 5, P770