搜索 - 科创

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最好避光保存并尽快使用.3.5,5'-偶氮四唑-1,1'-二氧化物钾盐的制备两次实验后我得到了5.96g干燥的粗产物,我把它们全部用于合成5,5'-偶氮四唑-1,1'-二氧化物钾盐.将120~130ml水放在磁力搅拌器上预热

二、实验材料和用具米曲霉斜面菌种；豆饼斜面培养基、酪素培养基、蒸馏水、0.5%酪蛋白；三角瓶(300mL、500mL)、试管、培养皿(9cm)、恒温摇床、恒温培养箱、紫外照射箱、磁力搅拌器、脱脂棉、无菌漏斗

提供电解电流钛基镀铂阳极50×100 mm，网状阳极氧化反应钛阴极50×100 mm，网状阴极析氢反应500 mL 广口螺口试剂瓶硼硅玻璃电解槽主体PBT 螺纹盖GL80电极固定与密封恒温水浴锅室温–100°C温度控制磁力搅拌器带加热功能电解液搅拌冰盐浴自制电解时冷却电解液四

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