2016汽車駕照的筆試 汽車筆試沒過汽車駕照筆試有效期限汽車筆試時效2015汽車駕照筆試是採用什麼方法考的?2016

不好意思~想請問一下~關於樹脂分析(unknown)~

使用 FTIR & UV/Vis & HPLC 分析樹脂~

在樣品製備部分該如何準備&注意事項

例如:測量FTIR~先將KBr壓錠~再將樹脂滴在上面~再用另一片KBr覆蓋~再利用FTIR

測定(不知是否正確)

而關於UV/Vis該使用何種溶劑稀釋(甲苯?)~是否使用哪種溶劑稀釋~則空白樣品就用

此種溶劑~

麻煩了~謝謝

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