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[求助] 激光共聚焦拉曼光谱试验委托

### 一、激光器波长明确

- **主测波长**:785 nm(标配,矿物相与微区成像主用)
- **辅测波长**:405 nm

### 二、执行要求(条件明确・步骤清晰)

#### 1. 样品与前处理要求

- 样品:乙醇低温保存矿化纤维样品,每样≥6 束平行样;
- 前处理:超纯水漂洗去除残留乙醇→冷冻干燥(或室温真空干燥,温度≤30℃)→低荧光胶带固定于硅片 / 石英片;
- 红线:严禁>60℃加热干燥,严禁液态溶剂随样上机。

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