Table 2.
SupercleanTM Extraction Tubes Properties | ||||||||
---|---|---|---|---|---|---|---|---|
Tube type | Envi-8 | Envi-18 | LC-8 | LC-18 | LC-CN | LC-Ph | ||
Bed type | C8 (octyl) | C18 (octadecyl) | C8 (octyl) | C18 (octadecyl) | Cyano | Phenyl | ||
Bed mass (mg) | 1000 | 1000 | 500 | 1000 | 500 | 500 | ||
Tube volume (mL) | 6 | 6 | 6 | 6 | 6 | 3 | ||
Carbon Loading (%) | 14 | 17 | 7 | 11.5 | 7 | 5.5 | ||
Solid Phase Extraction Steps | ||||||||
Conditioning | solvents | 5 mL MeOH | 5.0 mL ACN 5.0 mL MeOH |
3.0 mL DCM 3.0 mL ACN 3.0 mL MeOH |
5.0 mL ACN 5.0 mL MeOH |
5.0 mL ACN 5.0 mL MeOH |
5.0 mL ACN 5.0 mL MeOH |
5.0 mL ACN 5.0 mL MeOH |
velocity | 10 mL/min | |||||||
Bed washing | matrix | 5.0 mL deionized water | ||||||
velocity | 10 mL/min | |||||||
Sample flow | volume | 100 mL | ||||||
velocity | 1 mL/min | |||||||
Drying | 5 min under vacuum | |||||||
Elution | solvents | 3 mL MeOH | 1.5 mL ACN 1.5 mL MeOH |
2.0 mL DCM 1.5 mL ACN 1.5 mL MeOH |
1.5 mL ACN 1.5 mL MeOH |
1.5 mL ACN 1.5 mL MeOH |
1.5 mL ACN 1.5 mL MeOH |
1.5 mL ACN 1.5 mL MeOH |
velocity | 10 mL/min |