Quality control of semiconductor acid baths as per ASTM E1655 – Time- and cost-efficient with NIRS

AN-NIR-090 Quality Control of Mixed Acids Fast and reliable detection of phosphoric, sulfuric, nitric and hydrofluoric acids Summary Determination of the acid concentration in mixed acid solutions is a critical quality control step for successful etching processes. While primary analytical…

Metrohm White Paper Determination of Acid Number (AN) with Titration and NIR Spectroscopy Iris Kalkman and Andreas Agerer The acid number (AN) is a measure for the quality of oils and their potential to enhance corrosion. When analyzing fresh, unused…

AN-NIR-091 Quality Control of Mixed Acids Fast and reliable detection of acetic, hydrofluoric, and nitric acids Summary Determination of the acid concentration in mixed acid solutions is a critical quality control step for successful etching processes. While primary analytical methods…

AN-NIR-071 Quality Control of Lubricants Unassisted, rapid determination of the Acid Number by automated NIR spectroscopy according to ASTM E1655 Summary Acid Number (AN) analysis of lubricants (ASTM D664) can be a lengthy and costly process due to usage of…