Selective Etchants
Etchant (17283)
SlPWSF 166-166-38-339-291 265, KFP
Overview
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Property
Value
assay hydrofluoric acid (HF)
10.5 - 13.0 %
nitric acid
21.9 - 23.9 %
assay of phosphoric acid (H3PO4)
15.6 - 17.6 %
sulfuric acid (H2SO4)
19.3 - 21.3 %
aluminium (Al)
Max. 700 ppb
calcium (Ca)
Max. 700 ppb
cobalt (Co)
Max. 700 ppb
chromium (Cr)
Max. 700 ppb
iron (Fe)
Max. 700 ppb
potassium (K)
Max. 700 ppb
magnesium (Mg)
Max. 700 ppb
manganese (Mn)
Max. 700 ppb
sodium (Na)
Max. 700 ppb
nickel (Ni)
Max. 700 ppb
lead (Pb)
Max. 700 ppb
