Chinese Journal of Chromatography ›› 2020, Vol. 38 ›› Issue (4): 414-423.DOI: 10.3724/SP.J.1123.2019.03009
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GAO Jie1,2, WU Qi1,2, CHEN Lixiao1,2, LI Hui1, DONG Shuqing1, LUO Guoying1, ZHANG Shusheng3, QIU Hongdeng1,*(), ZHAO Liang1,*()
Received:
2019-03-11
Online:
2020-04-08
Published:
2020-12-10
Contact:
QIU Hongdeng, ZHAO Liang
Supported by:
CLC Number:
GAO Jie, WU Qi, CHEN Lixiao, LI Hui, DONG Shuqing, LUO Guoying, ZHANG Shusheng, QIU Hongdeng, ZHAO Liang. Preparation of reversed-phase/hydrophilic chromatographic stationary phase based on dialdehyde microcrystalline cellulose-functionalized C18[J]. Chinese Journal of Chromatography, 2020, 38(4): 414-423.
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URL: https://www.chrom-china.com/EN/10.3724/SP.J.1123.2019.03009
Sample | Element contents/% | ||
---|---|---|---|
N | C | H | |
NH2/SiO2 | 1.33 | 3.97 | 0.80 |
DMCC/SiO2 | 1.28 | 6.77 | 0.87 |
C18-DMCC/SiO2 | 1.38 | 8.54 | 1.19 |
Table 1 Elemental analysis datas of NH2/SiO2, DMCC/SiO2, and C18-DMCC/SiO2
Sample | Element contents/% | ||
---|---|---|---|
N | C | H | |
NH2/SiO2 | 1.33 | 3.97 | 0.80 |
DMCC/SiO2 | 1.28 | 6.77 | 0.87 |
C18-DMCC/SiO2 | 1.38 | 8.54 | 1.19 |
Fig. 7 Chromatograms for the separation of (a) alkylbenzenes and (b) PAHs on the C18-DMCC/SiO2 and commercial C18 columns a. 1. benzene; 2. methylbenzene; 3. ethylbenzene; 4. n-propylbenzene; 5. isobutylbenzene; 6. phenylpentane. b. 1. benzene; 2. diphenyl; 3. p-distyrene; 4. o-terophenyl; 5. pyrene; 6. chrysene. Mobile phases: C18-DMCC/SiO2 column, ACN-water (60∶40, v/v) in (a) and ACN-water (50∶50, v/v) in (b); commercial C18 column, ACN-water (80∶20, v/v) in (a) and ACN-water (70∶30, v/v) in (b).
Fig. 8 Plots of lg k versus the number of methylene groups for different mobile phase compositions ACN-H2O were used as the mobile phases, and the volume fractions of acetonitrile were labeled.
Fig. 10 Chromatograms for the separation of (a) anilines, (b) phenols and (c) glycosides on the C18-DMCC/SiO2 and commercial C18 columns a. 1. aniline; 2. N-methylaniline; 3. 3,4-dimethylaniline; 4. methylnaphthylamine; 5. diphenylamine. b. 1. catechol; 2. phenol; 3. p-xylenol; 4. 2-aminophenol; 5. tert-butyl phenol. c. 1. loganin; 2. scopolin; 3. scopoletin; 4. aurantiamarin; 5. naringin. Mobile phases: C18-DMCC/SiO2 column, ACN-water (50∶50, v/v) in (a), ACN-water (25∶75, v/v) in (b), and ACN-water (15∶85, v/v) in (c); commercial C18 column: ACN-water (30∶70, v/v) in (a), ACN-water (40∶60, v/v) in (b), and ACN-water (20∶80, v/v) in (c).
Fig. 11 Chromatograms for the separation of nucleobases on the C18-DMCC/SiO2 and commercial HILIC columns 1. thymine; 2. adenine; 3. cytosine; 4. guanine. Mobile phases: C18-DMCC/SiO2 column, ACN-water (92∶8, v/v) containing 10 mmol/L ammonium acetate; commercial HILIC column, ACN-water (90∶10 v/v) containing 10 mmol/L ammonium acetate.
Fig. 12 Plots of lg k versus (a) the volume fractions of water and (b) logarithmic mole fractions of water in mobile phases Mobile phase: ACN-water, contained 10 mmol/L ammonium acetate.
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