Packing material and cartridge for solid phase extraction
AssigneeShowa Denko K.K.
InventorsRyuji Takahashi, Kuniko Igarashi, Hiroshi Suzuki
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Abstract
A packing material for solid phase extraction, which is a particle having an exclusion limit molecular weight of 1×103 to 1.5×104 in gel permeation chromatography using a standard polystyrene as the sample. A column for solid phase extraction and a cartridge for solid phase extraction, a method of using the packing material; and a process for treating a sample using the column or cartridge are also disclosed.
Claims15
A packing material for solid phase extraction, comprising a particle having an exclusion limit molecular weight of from 1×103 to 1.5×104 in gel permeation chromatography using a standard polystyrene as the measuring sample,
- wherein the particle is obtained using a ratio of diluent to a total amount of monomers of 50 to 66.7%.
Dependencies are inferred from the claim text.