使用复合模式色谱柱RSpak JJ-50 4D分析壬基酚羧酸类样品。

Sample : 1ppm Mixed nonylphenoxy carboxylic acids, 5μL
(Hayashi Pure Chemical Ind.,Co.,Ltd code.990-56063 Nonylphenoxy carboxylic acids mix (n=0 to 9))
1. Nonylphenoxy acetic acid
2. Nonylphenol monoethoxy acetic acid
3. Nonylphonol diethoxy acetic acid
4. Nonylphonol triethoxy acetic acid
5. Nonylphonol tetraethoxy acetic acid
6. Nonylphonol pentaethoxy acetic acid
7. Nonylphonol hexaethoxy acetic acid
8. Nonylphonol heptaethoxy acetic acid
9. Nonylphonol octaethoxy acetic acid
10. Nonylphonol nonathoxy acetic acid

 

Column       : Shodex RSpak JJ-50 4D (4.6mmI.D. x 150mm)
Eluent       : (A) 25mM CH₃COONH₄ buffer(pH9.5)/CH₃CN=85/15
               (B) 25mM CH₃COONH₄ buffer(pH9.5)/CH₃CN=70/30
                Linear gradient; 0min to 75min, (A) to (B)
Flow rate    : 0.6mL/min
Detector     : Fluorescence Detector(Ex. 225nm, Em. 300nm)
Column temp. : 40℃