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Acetic acid is used in mixed acid etchants and in SEZ etchants. Acetic acid is used in place of water to help keep nitric acid from dissociating, which makes for a more oxidizing solutions.
CMOS™ Grade
Trace Impurity Level: 200 to 10ppb
SEMI Grade: 1
Trace impurities measured in PPB. See "Documents" sub-tab below for "Product Datasheet" link.
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Acetic acid is used in mixed acid etchants and in SEZ etchants. Acetic acid is used in place of water to help keep nitric acid from dissociating, which makes for a more oxidizing solutions.
