Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organicacid and inorganic acid as eluent was studied.
系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
2
With p-toluene sulfonicacid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
The invention also discloses a preparation method of the polylactic acid combination containing the sulfonicacid compound and the nitrogenous organic compound.