Detection and analysis method for component containing salvianolic acid A
An analysis method, the technology of salvianolic acid, is applied in the field of detection and analysis containing salvianolic acid A component, which can solve the problems of high toxicity, disorder of the human respiratory system and circulatory system, high price of chromatographic acetonitrile, etc., and achieve the goal of ensuring accuracy Effect
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Embodiment 1
[0055] Danshen herb detection
[0056] Chromatographic column; C 18 Reverse-phase chromatographic column, specification: 250×4.6mm, 5μm;
[0057] Chromatographic conditions and system suitability experiment: Octadecylsilane bonded silica gel as filler; flow rate 1.0ml / min; column temperature 30°C;
[0058] From 0 to 10 minutes, the proportion of methanol increased from 30% to 40%, and the proportion of 0.15% phosphoric acid aqueous solution decreased from 70% to 60%; from 10 to 30 minutes, the proportion of methanol increased from 40% to 55%, 0.15% The proportion of phosphoric acid aqueous solution is reduced from 50% to 45%; 30~60 minutes, the proportion of methanol rises from 55% to 80%, and the proportion of 0.15% phosphoric acid aqueous solution decreases from 45% to 20%.
[0059] Preparation of the reference solution: accurately weigh the reference substance of salvianolic acid A into a volumetric flask, add methanol to dissolve, shake well, and dilute to the mark;
[...
Embodiment 2
[0064] Detection and Analysis of Danshen Injection
[0065] Column: C 18 Reverse-phase chromatographic column, specification: 250×4.6mm, 5μm;
[0066] Chromatographic conditions and system suitability experiment: Octadecylsilane bonded silica gel as filler; flow rate 1.0ml / min; column temperature 30°C;
[0067] At 0 to -10 minutes, the ratio of methanol alcohol rose from 30% to 40%, and the ratio of 0.2% phosphoric acid aqueous solution dropped from 70% to 60%; at 10 to 30 minutes, the ratio of methanol rose from 40% to 55%. The proportion of 0.2% phosphoric acid aqueous solution decreased from 50% to 45%; in 30-60 minutes, the proportion of methanol increased from 55% to 80%, and the proportion of 0.2% phosphoric acid aqueous solution decreased from 45% to 20%.
[0068] Preparation of the reference solution: accurately weigh the reference substance of salvianolic acid A into a volumetric flask, add methanol to dissolve, shake well, and dilute to the mark;
[0069] Preparat...
Embodiment 3
[0073] Detection and Analysis of Salvianolic Acid A Sample
[0074] Column: C 18 Reverse-phase chromatographic column, specification: 250×4.6mm, 5μm;
[0075] Chromatographic conditions and system suitability experiment: Octadecylsilane bonded silica gel as filler; flow rate 1.0ml / min; column temperature 30°C;
[0076] From 0 to 10 minutes, the proportion of methanol increased from 30% to 40%, and the proportion of 0.25% phosphoric acid aqueous solution decreased from 70% to 60%; from 10 to 30 minutes, the proportion of methanol increased from 40% to 55%, 0.25% The ratio of phosphoric acid aqueous solution is reduced from 50% to 45%; 30~60 minutes, the ratio of methanol rises from 55% to 80%, the ratio of 0.25% phosphoric acid aqueous solution is reduced from 45% to 20%.
[0077] Preparation of the reference solution: accurately weigh the reference substance of salvianolic acid A into a volumetric flask, add methanol to dissolve, shake well, and dilute to the mark;
[0078]...
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