Determination of Acid Number (AN) with Titration and NIR Spectroscopy

Application Bulletin 427/2 e Acidity in crude oils and petroleum products by thermometric titration according to ASTM D8045 Branch Reagents Petrochemistry  Potassium hydroxide c(KOH) = 0.1 mol/L in 2-propanol  2-propanol, isopropanol, IPA, p.a.  Xylenes, (mixture of isomers),…

Application Bulletin AB-404/2 e Determination of the total acid number in petroleum products General analytical chemistry; petrochemistry Potentiometric determination according to ASTM D664 Keywords Instruments Titration; nonaqueous titration; potentiometric titration; Solvotrode easyClean, Optrode; Thermoprobe; photometric titration; thermometric titration; TET; TAN;…

WHITE PAPER Quality control of semiconductor acid baths as per ASTM E1655 – Time- and cost-efficient with NIRS The semiconductor industry, comprising microelectronics, photovoltaics, flat panel displays, LED manufacturing, and printed electronics, is an essential intermediate for consumer products in…

Metrohm White Paper Boost efficiency in the QC laboratory: How NIRS helps reduce costs up to 90% Nicolas Rühl, Ph.D. and Alyson Lanciki, Ph.D. Underestimation of quality control (QC) processes is one of the major factors leading to internal and…