The chemical base for the bisulfite can be ionic calcium, magnesium, sodium or ammonium, Sulfite pulping can be carried out over a wide range of PH.
亚硫酸氢盐里的钙离子，镁离子，钠离子，铵根离子等化学基可以电离。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ，以乳酸和正丁醇为原料 ，在甲基磺酸催化下以亚硫酸镁为脱水剂 ，用索氏提取器进行回流合成。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ，以乳酸和正丁醇为原料 ，在甲基磺酸催化下以亚硫酸镁为脱水剂 ，用索氏提取器进行回流合成。
应用推荐