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

 

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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…
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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…
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