The high-speed counter-current chromatography was used to separate and purify salvianolic acid, a water-soluble component of salvia miltiorrhiza, to prepare salvianolic acid B chemical reference substance. The solvent system used for separation is n-hexane 2 ethyl acetate 2 water 2 methanol (1.5: 5: 5: 1.5), the upper phase is used as the stationary phase, the lower phase is used as the mobile phase, the flow rate is 1.7mL / min, the instrument speed is 850rpm, The sample volume was 80 mg, and the purity was determined by HPLC. The results show that: 63.4mg salvianolic acid B can be prepared in one separation, and its purity is 98.6%. The method is simple to operate and can be used as a preparation and separation method for high-purity salvianolic acid B chemical reference substance.
Foot File Stainless Steel Mini
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| Size | 35*215mm |
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| Item NO. | FF-003/FF-010/FF-011/FF-012/FF-013/FF-014 |
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| Material | Stainless Steel+Plastic |
| Use for | Foot Care |
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| ODM/OEM | Support |
| Weight | 87g |
| Package | OPP bag/Blister Card/Color Box/Customized |
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