This standard solution is tested against certified reference materials from NIST and/or PTB.
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The suffix -VP or -VOLPAC™in the product number indicates packaging in 5 or 10 L VOLPAC™containers.
Buffer preparation is based on 4.77 g/L Sodium tetraborate
decahydrate, 0.17 g/L Hydrogen chloride. Final compositions may vary
slightly, as pH is adjusted after preparation.
Volpac is a trademark of Sigma-Aldrich Co. LLC