Using reversed-phase chromatographic column and diode array detector, content of imidacloprid and pyridaben in their watersolublepowder was measured with high effective liquid chromatography.
采用高效液相色谱法，使用反相色谱柱和二极管阵列检测器测定吡·哒可湿性粉剂中吡虫啉和哒螨灵的含量。
2
Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.
理化性质：白色结晶性粉末、溶于水、稀醇、液氨和二甲基甲酰胺，而不溶于乙醇、醚和丙酮。
3
Description: White powder, insoluble in water, soluble in mineral acids.