For purification of up to 10 μg PCR products, 100 bp to 10 kb
  • Up to 95% recovery of ready-to-use DNA
  • Cleanup of DNA up to 10 kb in three easy steps
  • Gel loading dye for convenient sample analysis

The QIAquick PCR Purification Kit provides spin columns, buffers, and collection tubes for silica-membrane-based purification of PCR products >100 bp. DNA of up to 10 kb is purified using a simple and fast bind-wash-elute procedure and an elution volume of 30–50 μl. An optional pH indicator allows easy determination of the optimal pH for DNA binding to the spin column. The procedure can be fully automated on the QIAcube.
For optimal results it is recommended to use this product together with QIAvac 24 Plus.

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QIAquick PCR Purification Kit (50)
For purification of 50 PCR reactions: 50 QIAquick Spin Columns, Buffers, Collection Tubes (2 ml)
QIAquick PCR Purification Kit (250)
For purification of 250 PCR reactions: 250 QIAquick Spin Columns, Buffers, Collection Tubes (2 ml)
QIAquick 96 PCR BioRobot Kit (4)
For purification of 4 x 96 PCR products: 4 QIAquick 96 Plates, Reagents, Buffers, Collection Microtubes (1.2 ml) and Caps, 96-Well Microplates RB and Lids, Tape Pads
The QIAquick PCR Purification Kit is intended for molecular biology applications. This product is not intended for the diagnosis, prevention, or treatment of a disease.
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QIAquick and MinElute procedure.|Complete primer removal after PCR.|GelPilot Loading Dye.|pH Indicator Dye.|Spin column handling options — D.|Spin column handling options — E.|Spin column handling options — C.|Spin column handling options — B.|Spin column handling options — A.|
The QIAquick and MinElute systems use a simple bind-wash-elute procedure with spin columns or a vacuum manifold.
|Analysis of PCR products before (b) and after (a) purification with the QIAquick PCR Purification Kit is shown. Samples were analyzed on a 1% TAE agarose gel. M: markers.|GelPilot Loading Dye contains three tracking dyes to facilitate optimization of DNA resolution.

|pH indicator dye in the solubilization and binding buffer allows easy visual determination of optimal pH for DNA adsorption (pH ≤7.5). An incorrect binding-mixture pH can occur if the agarose gel electrophoresis buffer was frequently used or incorrectly prepared. In this case, the pH can be easily adjusted by addition of 10 µl 3 M sodium acetate, pH 5.0.

|QIAvac 24 plus.
|Manifold with luer connectors.
|QIAvac 24.
The QIAquick PCR Purification procedure removes primers, nucleotides, enzymes, mineral oil, salts, and other impurities from DNA samples (see figure "Complete primer removal after PCR"). Using a microcentrifuge or vacuum manifold, DNA ranging from 100 bp to 10 kb is purified.

QIAquick Kits contain a silica membrane assembly for binding of DNA in high-salt buffer and elution with low-salt buffer or water. The purification procedure removes primers, nucleotides, enzymes, mineral oil, salts, agarose, ethidium bromide, and other impurities from DNA samples (see figure "Complete primer removal after PCR"). Silica-membrane technology eliminates the problems and inconvenience associated with loose resins and slurries. Specialized binding buffers are optimized for specific applications and promote selective adsorption of DNA molecules within particular size ranges.

Gel loading dye

To enable faster and more convenient sample processing and analysis, gel loading dye is provided. GelPilot Loading Dye contains three tracking dyes (xylene cyanol, bromophenol blue, and orange G) to facilitate the optimization of agarose gel run time and prevent smaller DNA fragments migrating too far (see figure "GelPilot Loading Dye").


The QIAquick system uses a simple bind-wash-elute procedure (see flowchart "QIAquick and MinElute procedure"). Binding buffer is added directly to the PCR sample or other enzymatic reaction, and the mixture is applied to the QIAquick spin column. The binding buffer contains a pH indicator, allowing easy determination of the optimal pH for DNA binding (see figure "pH Indicator Dye"). Nucleic acids adsorb to the silica membrane in the high-salt conditions provided by the buffer. Impurities are washed away and pure DNA is eluted with a small volume of low-salt buffer provided or water, ready to use in all subsequent applications.


QIAquick spin columns are designed to provide two convenient handling options. The spin columns fit into a conventional table-top microcentrifuge or onto any vacuum manifold with luer connectors, such as QIAvac 24 Plus with QIAvac Luer Adapters. The QIAquick PCR Purification Kit, in addition to other QIAGEN spin-column-based kits, can be fully automated on the QIAcube, enabling increased productivity and standardization of results (see figures "Spin column handling options A, B, C, D, and E").


DNA fragments purified with the QIAquick system are ready for direct use in all applications, including sequencing, microarray analysis, ligation and transformation, restriction digestion, labeling, microinjection, PCR, and in vitro transcription.

Binding capacity 10 µg
Elution volume > 30 µl
Format Tube
Fragment size 100 bp – 10 kb
Fragments removed < 40mers
Processing Manual
Sample type: applications ssDNA or dsDNA from PCR and other enzymatic reactions
Technology Silica technology
Type(s) of DNA recovered ss DNA and dsDNA

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Kit Handbooks

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QIAquick PCR Purification Kit
PCR産物(100 bp~ 10 kb)の精製用

QIAquick Nucleotide Removal Kit
酵素反応液からのヌクレオチド(17~40mer)およびDNA(40 bp~ 10 kb)クリーンアップ用

QIAquick Gel Extraction Kit
ゲル抽出あるいは酵素反応液からのDNA(70 bp~ 10 kb)クリーンアップ用
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For rapid purification of multiple PCR products 
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User-Developed Protocols
The protocol has been used successfully for Cy3-, Cy5-, and biotin-labeling of cDNA from <50 ng of total RNA or poly A+ mRNA.
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