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Buffer, Chemvelope

13 Items
$16.50 - $37.00 View Details

Simply dissolve the contents of a Chemvelope in 500 mL of distilled water to make a precise buffer solution.

 
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Simply dissolve the contents of a Chemvelope in 500 mL of distilled water to make a precise buffer solution. Carton of 5 envelopes includes 1 vial of preservative solution. Powders keep 5 years; prepared solutions keep 3 weeks (or 3 months with preservative added). Preservative contains a pH indicator and colors each buffer solution for easy identification.