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1试验部分。(1)试剂和溶液。水:新蒸二次蒸馏水;甲醇:色谱纯;乙腈:色谱纯;克百威标样;已知含量≥98.0%(上海市农药研究所)戊唑醇标样:已知质量分数98.0%(上海市农药研究所);三唑酮标样:已知质量分数98.0%(上海市农药研究所)克百威·戊唑醇·三唑酮8.1%悬浮种衣剂(齐齐哈尔盛泽农药有限公司提供)。(2)仪器。高效液相色谱仪:具可变波长紫外检测器;液相色谱配套工作站;色谱柱:200mm×4.6mm(i.d)不锈钢柱,内装C18,5μm填充物。(3)液相色谱操
1 experimental part. (1) Reagents and solutions. Water: Newly distilled double distilled water; Methanol: Chromatographic pure; Acetonitrile: Chromatographic pure; Kevlar standard; Known content ≥98.0% (Shanghai Institute of Pesticide) Tebuconazole standard: Known mass fraction 98.0% Shanghai Institute of Pesticide); Triadimefon standard: Known mass fraction 98.0% (Shanghai Institute of Pesticide) Kevlardazole tebuconazole triadimefon 8.1% suspended seed coating (Qiqihar Shengze Pesticide Co., Ltd. provide). (2) instruments. High Performance Liquid Chromatograph: Variable Wavelength UV Detector; LC Workstation; Column: 200mm × 4.6mm (i.d) stainless steel column with C18, 5μm packing. (3) liquid chromatography exercises