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【ACE Excel SuperC18色譜柱】圣約翰麥汁色譜分析
St John’s Wort
Conditions
Column: ACE Excel 1.7 SuperC18
Dimensions: 100 x 3.0 mm; 2 x 100 x 3.0 mm (coupled); 3 x 100 x 3.0 mm (coupled)
Part Number: EXL -1711-1003U
Mobile Phase:
A: 0.1% formic acid in H2O
B: 0.1% formic acid in MeCN
Gradient:
Time (mins) | |||
100x3.0mm | 200x3.0mm | 300x3.0mm | %B |
- | 0.00 | 0.00 | 5 |
0.00 | 0.35 | 0.71 | 5 |
15.00 | 30.35 | 45.71 | 30 |
17.00 | 34.35 | 51.71 | 100 |
19.00 | 38.35 | 57.71 | 100 |
20.00 | 39.35 | 58.71 | 5 |
27.00 | 53.35 | 79.71 | 5 |
Flow Rate: 0.8 mL/min
Injection: 2 μL (100 x 3.0 mm); 4 μL (200 x 3.0 mm); 6 μL (300 x 3.0 mm)
Temperature: 80 °C
Detection: UV, 280 nm
Sample: Tablet ground to fine powder and extracted with MeCN/H2O (1:1 v/v) with ultrasonication. Supernatant diluted with H2O and filtered using Whatman Mini-Uniprep syringeless filter
System: Chromaster Ultra Rs
