聚合物基质氨基柱HILICpak VG-50适用于糖类分析,但在碱性条件下也可以使用LC/MS进行有机酸和氨基酸的同时分析。由于流动相为碱性所以可以洗脱阴离子性强的物质。而且在碱性条件下电离可以促进羟基去质子化,也适用于进行糖类等含有羟基的物质的高灵敏度分析。
Sample: 1μg/mL each (in H2O/CH3CN=1/4), 5μL
Amino acids | ||||
---|---|---|---|---|
Leu | Ile | Phe | Met | Val |
Pro | Trp | Ala | Thr | Gly |
Ser | Lys | Gln | Asn | His |
Arg | Tyr | Glu | Asp | Cys |
Organic acids | ||||
Pyruvic acid | Lactic acid | Oxalic acid | Glyceric acid | Malic acid |
Tartaric acid | Malonic acid | Maleic acid | Citric acid | |
Saccharides and Sugar alcohols | ||||
meso-Erythritol | Arabinose | Xylose | N-Acetylglucosamine | Fructose |
Mannose | Glucose | Glucosamine | Sucrose | Lactose |
Maltose | Raffinose | Glucuronic acid | Galacturonic acid |
- Column
- :Shodex HILICpak VG-50 2D (2.0 mm I.D. x 150 mm)
- Eluent
- :(A); 0.5 % NH3 aq. (B); CH3CN
Linear gradient (High pressure);
(B %) 80 % (0 to 2min), 80 % to 10 % (2 to 12 min), 10 % (12 to 15 min), 80 % (15 to 20 min) - Flow rate
- :0.2 mL/min
- Detector
- :ESI-MS (SIM Negative)
- Column temp.
- :40 ℃
按样品名检索
- meso-Erythritol
- Alanine, Ala
- Arabinose
- Arginine, Arg
- Asparagine, Asn
- Aspartic acid, Asp
- Citric acid
- Cysteine, Cys
- D-Glucosamine
- D-Glucuronic acid
- Fructose
- Galacturonic acid
- Glucose
- Glutamic acid, Glu
- Glutamine, Gln
- Glyceric acid
- Glycine, Gly
- Histidine, His
- Isoleucine, Ile
- Lactic acid
- Lactose
- Leucine, Leu
- Lysine, Lys
- Maleic acid
- Malic acid
- Malonic acid
- Maltose
- Mannose
- Methionine, Met
- N-Acetyl-D-glucosamine
- Oxalic acid
- Phenylalanine, Phe
- Proline, Pro
- Pyruvic acid
- Raffinose
- Serine, Ser
- Sucrose, Saccharose
- Tartaric acid
- Threonine, Thr
- Tryptophan, Trp
- Tyrosine, Tyr
- Valine, Val
- Xylose