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. 2023 Aug 23;46(1):118–126. doi: 10.1097/FTD.0000000000001127

TABLE 5.

Influence of PEG Concentration and Effect on Quantification

graphic file with name tdm-46-118-i006.jpg

Influence of 20 mcg/mL and 500 mcg/mL of each PEG in a combination of PEG (6–12) and 500 mcg/mL PEG 7–12 on quantification. Different colors of RT markers the different PEG from 6 to 12 repeating units. Analytes that have the deuterated form as an internal standard (IS) are marked with an x.