本产品不需要氮气吹扫,而其他产品通常需要它来消除水蒸气对太赫兹波的影响。
稳定性极好,可进行高重复性的连续测量。
控制部分集成到主单元中,因此只需将一台笔记本电脑连接到主单元,即可进行远程操作。无需其他设备。
由于液体很可能会吸收太赫兹波,因此很难通过正常的传输方式来测量液体。但是,可以通过衰减全反射光谱仪成功测量液体。
使用太赫兹波测量粉末通常需要将粉末压缩成片状,但本产品完全不需要。
在连续测量模式下,可以获取连续数据并以特定时间间隔输出。此模式可用于观测被测样品随时间的变化,以确保在长时间内获得稳定的结果。
右边的图表显示了在特定频率下吸收系数的相对变化。此数据是在将水放在测量表面的情况下,使用连续测量模式连续 9 天测量出来的。结果表明,可以长时间进行稳定测量(误差在 ±3% 以内)。
<应用示例>
・晶体析出和转变
・劣化评估
・其他随时间的变化
X 射线衍射 | 热分析 | 拉曼光谱仪 | 太赫兹光谱仪 | |
---|---|---|---|---|
受控区域 | 必填 | 不需要 | 不需要 | 不需要 |
样品是否损坏 |
不损坏*1 | 损坏 | 不损坏*1 | 不损坏 |
测量时间*2 | 几十分钟 | 几十分钟 | 几分钟 | 约 3 分钟 |
测定液体中的结晶状态 |
不能 | 不能 | 不能 | 可以*3 |
*1 样品可能被损坏,具体取决于测量条件。
*2 测量时间可能因样品条件和测量条件的不同而不同。
*3 太赫兹光谱仪无需任何额外处理,就能够测定结晶是否已溶解到液体中。
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