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Table 1 Information of the four kinds of QACs used in this study

From: Microbial responses to transient shock loads of quaternary ammonium compounds with different length of alkyl chain in a membrane bioreactor

QACs Abbreviations Molecular structure Chemical formula Molecular weight (g/mol) Purity (%)
Octyl trimethyl ammonium chloride ATAC C8 C11H26NCl 207.5 ≥ 97.0
Dodecyl trimethyl ammonium chloride ATAC C12 C15H34NCl 263.5 ≥ 98.0
Hexadecyl trimethyl ammonium chloride ATAC C16 C20H44NCl 333.5 ≥ 98.0
Hexadecyl benzyl dimethyl ammonium chloride BAC C16 C25H46NCl 395.5 ≥ 98.0