DNA Cleanup Buffers

For use in DNA cleanup procedures


  • Buffers for DNA cleanup protocols
  • For use with QIAGEN DNA cleanup kits
  • For binding, solubilization and wash steps 
Buffer PE (concentrate, 100 ml)

Cat. No. / ID: 19065

100 ml Wash Buffer (5x concentrate for 500 ml buffer)
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Product Details

Buffer PB is used in DNA cleanup procedures and enables efficient binding of single- or double-stranded PCR products to the spin-column membrane. Buffer QG is a solubilization and binding buffer (with pH indicator), for use in DNA cleanup procedures. Buffer PE is a wash buffer for use in DNA cleanup procedures. It is supplied as a 5x concentrate of 100 ml, providing a final volume of 500 ml of buffer.


What is the composition of Buffer PE?

The composition of Buffer PE is confidential. It is a proprietary component of the QIAprep Spin Miniprep Kits, and the QIAquick and MinElute Cleanup Kits.

However, Buffer PE can be purchased separately using catalog number 19065. The item is listed in the QIAGEN Product List.


FAQ ID -1691
What is the composition of Buffer PB?
Buffer PB contains a high concentration of guanidine hydrochloride and isopropanol. The exact composition of Buffer PB is confidential. However, this buffer can be purchased separately: Buffer PB.
FAQ ID -2791