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AN-CS-019

Trace ammonium and trimethyl-amine in 30% hydrogen peroxide applying sequential suppression


Summary

Determination of trace levels of cations and amines in hydrogen peroxide is important in quality determination of high-grade semiconductor chemicals. In particular, some manufactures look for 1 ppb trimethylamine or less in hydrogen peroxide samples. Ion chromatography after MiPCT-ME* with conductivity detection after sequential cation suppression is applied.

Контакт

Metrohm RUS

ул. Корабельная 9А, помещ. 5/1
115142 Москва

Контакт