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Overview ISO 18218-1:2023 specifies a direct analytical method for the determination of ethoxylated alkylphenols (APEO) in leather - principally nonylphenol ethoxylates (NPEOn, 2 ≤ n ≤ 16) and octylp…
1 Scope This part of ISO 18218 is a method for determining ethoxylated alkylphenols (nonyphenol ethoxylate [NPEO n with 1 ≤ n ≤ 16] and octylphenol ethoxylate [OPEO n with 1 ≤ n ≤ 16]) in leather. Th…