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The fact that peptides/proteins can attach to the surface of the vial has nothing to do with the concentration being below 100 ppm. They always tend to stick to
Jul 31, 2019 We explain recent trends in HPLC autosampler design, ... Sample container: Typically, a 2-mL glass vial containing the sample dissolved in a ...
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The surface of the solid particles may also act as the stationary phase in some columns. The glass or metal column through which the gas phase passes is located
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To verify that the mobile phase composition is extremely low, it takes a long time for the columns to ... silanols on the surface of glass vials.
Both the borosilicate glass and polypropylene vials are totally inert to samples ordinarily analyzed by liquid chromatography.
Jun 8, 2020 The quality of glass vials that these samples are prepared and ... of the vial's performance especially for low-concentration analytes.
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