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Chromatogram of citric acid with triple quadrupole LC
The HPLC chromatogram of the compounds present in root aqueous extract of Citrus sinensis has been shown in Fig.
In the FID chromatogram the peaks of alkenes and unknown compounds disappeared during the hydrotreating.
The not referenced peaks on the Figure 3 chromatogram correspond from left to right to heptane (solvent), methyl octanoate and 4-methyl-phenol, respectively.
Although the complexity of the chromatogram, chemical characterization of important geochemical biomarkers can be achieved because of the high resolution offered by the "zig-zag" TOF analyzer.
Actually, the mistrusted glycan profile (Enbrel chromatogram in Figure 3 panel b of Miranda-Hernandez et al.
HPLC results of the heating reaction mixtures of Boc-dipeptides (5a-c) gave two peaks on the chromatogram by means of G-3000 PM, whereas the Boc-tripeptide (Boc-Gly-Gly-L-Asp: 5d) gave only one (Figure 12: (a) Boc-L-Val-L-Asp (5c) and (b) Boc-Gly-Gly-L-Asp (5d)).
HPLC chromatogram of local sample is presented in Figure 4.
Each experiment was therefore described by the area of the 143 peaks recorded in the chromatogram. Figure 1 reports the results obtained: the peaks are reported on x-axis in order of elution, while the corresponding areas are reported on the y-axis (the darker the marker, the highest the sample amount).
1 illustrates the chromatogram for a concentration of 0.5 ppm.
A gas chromatogram of the isomers of methyl linolenate is shown in Fig.
Our laboratory uses a High Pressure Liquid Chromatography (HPLC) analyser (Bio Rad Variant), and an abnormal chromatogram was noted suggesting a possible analytical artefact, or a potential haemoglobin variant.
Each article will include the actual case presentation, a chromatogram, the biochemical pathway of the defect, and a short case discussion.
Some of the chromatogram errors that may arise if water impurities are present include tailing peaks, variable retention times, loss of resolution, negative peaks, baseline drift, adduct peaks, noisy baselines and spurious ghost peaks (see Figure 1).
The chromatogram provided with the EP system suitability sample (diazepam for system suitability) was obtained using a Zorbax Eclipse XDB C8 (4.6 x 150 mm, 5 m) column with recommended mobile phase, as mentioned above (Fig.
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- chromatographic adsorption
- chromatographic analysis
- chromatographic bed
- Chromatographic Migration of the Red Blood Cells
- Chromatographic Separation
- Chromatographically Purified Rabies Vaccine
- Chromatographie en Phase Gazeuse
- Chromatographie Liquide à Haute Performance
- Chromatographie sur Couche Mince