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总分:96分时间:90 min该题包含3项任务任务1:测定植物色素(36分)A部分:TLC用薄层层析定性区分色素B部分:用分光光度计定量测定色素任务2:测定植物提取物中的淀粉(21分)任务3:植物结构适应性的观察(39分)材料与器具任务1植物材料2个500μL的叶子酒精提取物,标记为A和B(在1.5 mL小管中)2个1 000μL的叶子酒精提取物,标记为
Total score: 96 min Time: 90 min This Question contains 3 tasks. Task 1: Determination of Plant Pigment (36 points) Part A: TLC Qualitative Analysis by Thin Layer Chromatography Part B: Quantitation of Pigment by Spectrophotometer Task 2: Determination of Starch in Plant Extracts (21 points) Task 3: Observation of Plant Structure Adaptability (39 points) Materials and Utensils Task 1 Plant material Two 500 μL leaf alcohol extracts, labeled A and B (in 1.5 mL tubules 2) 1 000 μL of leaf alcohol extract, labeled as