An analytical method was established to determine clopyralid residues in soil,rapeseed and rape stem.Supervised field tr......

[Objectives]This study was conducted to investigate the compounding of three herbicides:clopyralid,picloram and benazoli......

采用反相液相色谱内标法,使用ODS C18不锈钢色谱柱,以联苯为内标物,乙腈＋0.1%磷酸水溶液为流动相进行梯度洗脱,在235 nm条件下对27%......

建立了用离子色谱法测定环境中毕克草含量的方法．选用NJ—SA-4A型阴离子分析柱，以3．36mmol／L碳酸钠-1．5mmol／L碳酸氢钠作淋洗液，流速为1．5m......

建立了一种反相高效液相色谱法测定30%二氯吡啶酸水剂含量的方法。试样用流动相溶解,采用等度洗脱的方法,以甲醇-醋酸铵-氨水为流......

对25％硝磺·二氯吡可分散油悬浮剂的分散介质、乳化剂、增稠剂等进行了筛选。确定了其优化配方。25％硝磺·二氯吡可分散油悬......

叙述了采用反相高效液相色谱外标法,以甲醇-水作为流动相,用C18柱和紫外检测器（240nm）,测定了75%二氯吡啶酸可溶粒剂的含量。结果表......

采用高效液相色谱法,以甲醇、水为流动相,C_(18)柱和紫外检测器同柱分离测定28.6%氨氯·二氯水剂中的氨氯吡啶酸和二氯吡啶酸......

建立了一种反相高效液相色谱（RP—HPLC）对除草剂15％精噁唑禾草灵·二氯吡啶酸乳油的定量分析方法。采用C18 ODS色谱柱，乙腈-水-醋......

The fall application of post-emergent (POST) herbicides on winter wheat provided effective control of emerged winter ann......

The fall application of post-emergent (POST) herbicides on winter wheat provided effective control of emerged winter ann......