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zql8707

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[求助] 关于GC-MS检测器的问题 已有1人参与

To separate and identify all organic compounds present in soluUV-DADtion during catalytic testing, gas chromatography coupled with mass spectrometric (GC–MS) analysis was carried out with a Quattro micro GC Mass Spectrometer (RAB 241, Waters, USA) using a DB-5 column (30m×250mm×0.25mm).Ultra pure helium was used as the carrier gas at a flow rate of 1.0 ml/min-1. The aqueous reaction mixture was extracted with chloroform before GC–MS analysis. The temperature program was as follows; initial column temperature was held for 2 min at 70℃, ramped at 10℃/min to 280℃, with final hold for two minutes at 280℃. The sample was injected in the splitless mode. Product detection was by UV-DAD at 269 nm.
文章里面看到的,在GC里面用到了 UV-DAD检测器。使用GC会用到这种检测器吗,还是因为是GC-MS的原因?有点迷茫了。。。。
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水木华年007

铁杆木虫 (小有名气)

【答案】应助回帖

这里的意思是产品用UV-DAD,catalytic testing中的化合物用GCMS来测
2楼2021-03-15 13:25:51
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