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At what pH should the scavenging in aqueous solution be performed?

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When the scavenging is carried out in aqueous conditions, our recommended pH range is between 2 and 10.

Depending on the nature of the scavenging agent, the pH can modify the functional groups present on the scavengers by charging them, thereby possibly affecting scavenging (e.g.: amine groups in acidic conditions).

The various species in solution could also be affected by the pH variation modifying electronic effects, such as H-bonding for example, which could also have an influence on the scavenging efficiency.

Finally, it is important to note that some scavengers should not be used under aqueous conditions, they are stable only in organic solvents. Please consult our scavenging poster for more details.

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  1. SiliCycle range of silica-based scavengers for the removal of metal and/or organic compounds

    Choosing your metal & organic scavenging solution

    Poster - Helps to choose among SiliCycle's unparalleled range of Metal and Organic Scavengers, SiliaMetS® and SiliaBond®.
  2. Solutions For Scavenging of Metal & Organic Impurities (BROSCA)

    Solutions for Scavenging of Metal and Organic Impurities (BROSCA)

    Brochure, 28 pages. Product lines: SiliaMetS Metal Scavengers, SiliaBond Organic Scavengers and E-PAK Fixed Bed Flow Purification Cartridges

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