共 5 条
- [1] *ASS OFF AGR CHEM, 1940, OFF TENT METH AN, P64
- [2] Silicotungstic acid determination of nicotine - Errors involved and a new technique for steam-distillation of nicotine [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1939, 11 : 0505 - 0508
- [3] Improved steam-distillation apparatus [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1943, 15 : 596 - 596
- [4] BURKAT S, 1937, FARM ZH, P228
- [5] Markwood L. N., 1943, JOUR ASSOC OFFIC AGRIC CHEM, V26, P283