乙腈在流动相中的作用 (2) (KC-811)

2023-07-19 8

色谱柱RSpak KC-811; Acetic acid乙酸;Formic acid甲酸;Isobutyric acid异丁酸;Isovaleric acid异戊酸;Lactic acid乳酸;Propionic acid丙酸;Succinic acid琥珀酸;n-Butyric acidn-丁酸;n-Valeric acidn-缬草酸;

使用RSpak KC-811分析有机酸时,流动相中添加10 %的乙腈,可以缩短疏水性强的有机酸的洗脱时间。
  Sample :
1. Succinic acid
2. Lactic acid
3. Formic acid
4. Acetic acid
5. Propionic acid
6. Isobutyric acid
7. n-Butyric acid
8. Isovaleric acid
9. n-Valeric acid  
Columns : Shodex RSpak KC-G 8B (8.0 mm I.D. x 50 mm) + KC-811 (8.0 mm I.D. x 300 mm) x 2 Flow rate : (Eluent); 1.0 mL/min, (Reagant); 0.5 mL/min Detector : VIS (430 nm) (post column method) Column temp. : 47 ℃
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