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Thermo Scientific™ Pierce™ 20X PBS Tween™ 20 Buffer Available on GSA/VA Contract for Federal Government customers only.

Prepare PBS-Tween (PBS-T) wash buffers and blocking buffers for ELISA and Western with this space-saving stock solution.

Manufacturer:  Thermo Scientific™ 28352

Catalog No. PI28352

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Thermo Scientific™ Pierce 20X PBS Tween-20 is a space-saving stock solution that is ideal for preparing PBS-Tween (PBS-T) wash buffers for ELISA, Western and other immunoassays as well as a blocking buffer for plate-based assays.

Thermo Scientific Pierce 10X and 20X Concentrated Buffers are ready to use without having to reconstitute with ultrapure water.


  • Easy to use – no packets to open and no powder to dissolve

  • Increased accuracy – eliminates the possibility of powder remaining in a packet

  • Saves time – 10X or 20X concentration eliminates time spent waiting for powder to dissolve

  • Saves space – storage as concentrated stock minimizes bench space needed for large volume solutions

Ordering Alerts:

When diluted 20-fold in water, makes 10mM sodium phosphate, 0.15M NaCl, 0.05% Tween-20, pH 7.5

Recommended for:

A wash buffer for ELISA, Western and other immunoassays as well as a blocking buffer for plate-based assays

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Store in original container protected from direct sunlight in a dry, cool and well-ventilated area, between the following temperatures: 20 to 25°C.
Pierce™, Tween™
7.5 pH


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