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实验备忘
===
## 冷冻干燥
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### 开机
- 在群里预约
- 将样品送227冷冻过夜
- 于249插电启动设备
- 按下【冷冻】按钮预冷30min或温度下到-50℃
- 在接近完成时取出样品
- 打开盖子放入样品后盖好压紧
- 取下管子,放入左侧凹槽
- 点击【真空计】后点击【真空泵】
- 真空计下到25后即可。
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**如果冷冻意外中断需等待30min后重新进行。**<!--rehype:style=color: red;-->
### 关机
- 插管并点击【真空泵】关闭
- 压力下降后,点击【冷冻】关闭
- 关机拔电
- 打开盖子取出样品
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## 吸附测试
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### 吸附
- 取微球10mg误差允许0.2mg
- 取Re 20ppm溶液10mL
- 加入后摇床24h准时取出35.1℃ 180rpm
- 过滤,保留微球和滤液
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### 浓度测试-显色反应
- 去离子水洗润洗后移取1mL待测样品
- 移取5mL 6M盐酸
- 移液枪移取0.5mL SnCl2和0.5mL 20% NH4SCH
- 静置20min
- 移取5mL乙酸乙酯
- 静置10min
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### 分光光度准备
- 前往310带乙酸乙酯比色皿样品手纸吸管
- 电脑开机设备开机
- 电脑启动UV Probe
- 基线800-200自动调零
- 放入乙酸乙酯样品于前后端
<img
src="assets/26041901.png"
alt="alt text"
width="200"
/>
- 基线800-200自动调零
- Ctrl-M 附件 6连池
- 进入【光度测量】
- 进入【自动调零】
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### 分光光度测量
- 打开`E:/lele/铼标准曲线`
- 样品表写id写123...
<img
src="assets/26041902.jpg"
alt="alt text"
width="200"
/>
- 【读取Unk】
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