acute and sub-lethal effects of an anionic polyacrylamide for sale

acute and sub-lethal effects of an anionic polyacrylamide for sale
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  • What is a polyacrylamide (PAM)?
  • 1. Introduction Polyacrylamides (PAM) are high molecular weight polymers deriving from the polymerization of acrylamide monomers. Their chemical composition and ionic character depend on the functional groups added to the acrylamide chemical moiety ( Abidin et al., 2012; Acharya et al., 2010 ).
  • Are Apam polymers toxic?
  • EOR polymers, including APAM, are generally assumed to be relatively nontoxic ( Biesinger and Stokes, 1986; Bolto and Gregory, 2007 ). However, data on impacts on aquatic species, especially marine species are very limited.
  • Is Apam toxic to C finmarchicus late copepodite stages?
  • Our results show that the tested APAM is not acutely toxic to C. finmarchicus late copepodite stages (CV and CVI) and causes effects in A. tonsa only at very high, not environmentally relevant exposure concentrations (<199 mg/L) ( Hansen et al., 2019 ).
  • Is Apam toxic to aquatic organisms?
  • APAM is reported to be much less toxic to aquatic organisms compared to other synthetic polymers such as CPAM, which is probably why effects of APAM have been less studied ( Beim and Beim, 1994; Biesinger et al., 1976; Hamilton et al., 1994 ).