The conditions for sample disposition, reductiondistillation and absorption spectrum were al - so studied.
探讨了样品处理,还原、蒸馏、吸收光谱等条件。
2
Veratryl alcohol was synthesized through the reduction of sodium borohydride from veratraldehyde with isopropanol as solvent, followed by solvent extraction and distillation under reduced pressure.
以藜芦醛为主要原料、异丙醇为溶剂,经硼氢化钠还原、溶剂萃取、减压精馏得到产物藜芦醇。
3
Method: Sulfur dioxide released from wine by distillation was absorbed with formaldehyde absorption solution, and then determination was conducted by reduction photometry.