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Buffers

Resisting pH changes, buffers protect samples when acids or alkali is added. Powder and liquid forms efficiently track proteins during electrophoresis isolation and separation. The salty buffers can also be used to calibrate and standardize pH meters for accurate readings. Blocking substances stop antibody attachment to membrane free sites that would produce an interfering background. In various concentrations to fit any need, the buffers may come in liquids or dehydrated formats.


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Description:   Our premeasured powdered packs offer convenience and will change the way you prepare buffers in your lab.
Description:   Buffer solution has a shelf life of 24 months
Catalog Number: (470233-572)

Description:   Includes 500 ml each of buffer solution pH 10, pH 4, and pH 7. Also includes 100 ml of electrode storage solution, KCl.
Catalog Number: (470302-972)

Description:   Tris-Borate-EDTA Solution is premixed.
Description:   Phosphate Buffered Saline
Catalog Number: (470219-362)

Description:   The pH Buffer Capsules (3x10) kit is a convenient set of three vials containing capsules to make pH 4, pH 7, and pH 10 buffer standards for calibrating pH sensors. Each vial contains 10 capsules, each of which produces 100 mL of solution when mixed with DI water. Add three drops of the buffer preservative to 100 mL of your buffer solution to prolong the shelf life. Hydrion Color Key Buffer Preservative is a combination mold inhibitor and universal indicator for color coding the buffer solutions: orange for pH 4, green for pH 7, and blue for pH 10.
Catalog Number: (470120-920)

Description:   Running buffer for native PAGE.
Catalog Number: (470111-864)

Description:   Tris Acetate, pH 7.8, concentrated 50X (for 5 L—20 standard gels).
Description:   Shelf Life (months): 36
Storage: Green
Catalog Number: (470203-888)

Description:   The most commonly used buffer for agarose electrophoresis, this Tris-acetate-EDTA is certified free of Dnase, Rnase, and protease activity. Dilute 1 part in 39 parts deionized water. Store at room temperature. Available to U.S. customers only.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-727-4368.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-727-4368.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 1-800-727-4368 or email sargentwelchcs@vwr.com.
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Limited quantities of this product are available. To check availability or place an order, call Customer Service at 1-800-727-4368 or email sargentwelchcs@vwr.com.
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