AN-S-250

Trace anions in tetramethylammonium hydroxide (TMAOH)

Summary

Determination of formate, chloride, nitrate, phosphate, and sulfate in 20% TMAOH using anion chromatography with conductivity detection after sequential suppression and inline matrix neutralization.

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// Etching baths pickling baths

Online monitoring of sulfuric acid and hydrogen peroxide using Raman spectroscopy

// Semiconductors // Peroxides // Etching baths-pickling baths

Direct comparison of OMNIS and Titrando for mixed acids and TMAH

// Bases – inorganic // Semiconductors // Metal products, plating & finishing

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

// Semiconductors // Etching baths-pickling baths // Electronics & semiconductors

Determination of ferric ion by iodometric titration

// Transition metals – iron, chromium // Metals & mining // Cement, metals & mining

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Trace anions in tetramethylammonium hydroxide (TMAOH)

Summary

Metrohm Nordic AS

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Quality control of semiconductor wafer pretreatment processes with online NIRS

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