• What is solid phase extraction used for?

     

    TOPTION solid phase extraction is applied in environmental water quality analysis, food safety analysis, pharmaceutical analysis, bioengineering industries, etc.


    Using the solid adsorbent to adsorpt the target compound in sample, separate with the sample matrix and interfering compounds, then using eluent for elution or heating for desorption, achieve purpose of separation and enrichment of the target compounds.


    1. Analysis of pesticide residues: water, soil, food, etc.


    2. Environmental analysis: the trace of copper in water, chalk interfering substance in pesticides, organics in air, etc.


    3. Food analysis: vegetables, fruits, frumentum, oil, fish, etc.


    4. Biopharmaceutical analysis: serum, blood, plasma, urine, etc.


    5. Drink analysis: fruit juice, wine, etc.


    6. Veterinary drug residue analysis.


    The basic working principle of TOPTION solid extraction apparatus:


  • 1.Pre-drip washing, activation of small column, to ensure correct method.


    2.Add in request compound interfering substance.


    3.Interfering substance elution.


    4.Purification of you need samples.

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