Claims
- 1. 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.
- 2. The packing material for solid phase extraction as claimed in claim 1, wherein the particle is a synthetic polymer particle obtained by polymerizing monomers containing at least a crosslinkable monomer.
- 3. The packing material for solid phase extraction as claimed in claim 2, wherein the synthetic polymer particle is a polymer of at least a crosslinkable monomer (A) and a non-crosslinkable monomer (B).
- 4. The packing material for solid phase extraction as claimed in claim 3, wherein an aromatic divinyl compound as the crosslinkable monomer (A) is in an amount of 30% by mass or more based on the total amount of monomers.
- 5. The packing material for solid phase extraction as claimed in claim 3, wherein a polyhydric alcohol poly(meth)acrylic acid ester as the crosslinkable monomer (A) is in an amount of 10% by mass or more based on the total amount of monomers.
- 6. The packing material for solid phase extraction as claimed in claim 4, wherein a polyhydric alcohol poly(meth)acrylic acid ester as the crosslinkable monomer (A) is in an amount of 10% by mass or more based on the total amount of monomers.
- 7. The packing material for solid phase extraction as claimed in claim 3, wherein an N-vinylcarboxylic acid amide as the non-crosslinkable monomer (B) is in an amount of 5 to 60% by mass based on the total amount of monomers.
- 8. The packing material for solid phase extraction as claimed in claim 4, wherein an N-vinylcarboxylic acid amide as the non-crosslinkable monomer (B) is in an amount of 5 to 60% by mass based on the total amount of monomers.
- 9. The packing material for solid phase extraction as claimed in claim 5, wherein an N-vinylcarboxylic acid amide as the non-crosslinkable monomer (B) is in an amount of 5 to 60% by mass based on the total amount of monomers.
- 10. The packing material for solid phase extraction as claimed in claim 7, wherein the N-vinylcarboxylic acid amide is N-vinylacetamide.
- 11. The packing material for solid phase extraction as claimed in claim 8, wherein the N-vinylcarboxylic acid amide is N-vinylacetamide.
- 12. The packing material for solid phase extraction as claimed in claim 9, wherein the N-vinylcarboxylic acid amide is N-vinylacetamide.
- 13. The packing material for solid phase extraction as claimed in claim 1, which is packed into a column, a cartridge or a reservoir.
- 14. The packing material for solid phase extraction as claimed in claim 1, which is used for concentrating an objective component and/or removing impurities or contaminants.
- 15. The packing material for solid phase extraction as claimed in claim 1, wherein the particle has an average particle size of 1 to 200 μm.
- 16. A column for solid phase extraction comprising a cylindrical container packed with the packing material for solid phase extraction claimed in claim 1 and end-fittings on both ends of the container.
- 17. A cartridge for solid phase extraction comprising a cylindrical container packed with the packing material for solid phase extraction claimed in claim 1 and frit or filter on both ends of the container.
- 18. The column for solid phase extraction as claimed in claim 16, which concentrates an objective component and/or removes impurities or contaminants.
- 19. The cartridge for solid phase extraction as claimed in claim 17, which concentrates an objective component and/or removes impurities or contaminants.
- 20. A process for treating an environmental or medical sample, comprising the step of passing the sample through the column for solid phase extraction claimed in claim 16.
- 21. A process for treating an environmental or medical sample, comprising the step of passing the sample through the cartridge for solid phase extraction described in claim 17.
- 22. The process for treating an environmental or medical sample as claimed in claim 20, further comprising treating a protein component-containing sample.
- 23. The process for treating an environmental or medical sample as claimed in claim 21, further comprising treating a protein component-containing sample.
Priority Claims (2)
Number |
Date |
Country |
Kind |
P2000-249740 |
Aug 2000 |
JP |
|
P2000-301833 |
Oct 2000 |
JP |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is an application filed under 35 U.S.C. §111(a) claiming benefit pursuant to 35 U.S.C. §119(e)(1) of the filing date of Provisional Application 60/244,659 filed Nov. 1, 2000 pursuant to 35 U.S.C. §111(b).
Provisional Applications (1)
|
Number |
Date |
Country |
|
60244659 |
Nov 2000 |
US |