Table 2 Characteristic peaks of IR spectra of mobile phase at different temperatures.

From: Separation and determination of estrogen in the water environment by high performance liquid chromatography-fourier transform infrared spectroscopy

Mixture

Characteristic Peaks (cm−1)

298 K mobile phase

749.31

875.52

933.64

1028.85

1290.00

1376.23

1449.08

1647.27

2253.71

2293.35

2832.46

2944.75

3424.18

 

348 K mobile phase

750.12

918.25

1040.19

1377.27

1446.91

1646.93

2253.42

2292.06

2944.06

3002.42

3164.35

3424.79

  

368 K mobile phase

699.59

1647.87

3424.49

    

388 K mobile phase

—

—

—

—

—

—

—

  1. “—” means undetected.
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