A corrosion test device for low-magnification inspection of dendrite corrosion
A technology of low-magnification inspection and corrosion test, which is applied in the field of chemical analysis and detection, can solve the problems of complex processing steps, achieve the effect of convenient waste acid treatment and avoid damage
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[0022] Embodiments of the present invention provides a first etchant for etching dendrite low magnification inspection of the components etchant comprising successively, in mass percent: copper chloride (CuCl 2 ) From 0.01% to 1.0%, copper nitrate (Cu (NO 3 ) 2 ) From 0.01% to 1.5%, magnesium chloride (MgCl 2 ) From 0.01% to 1.5%, iron chloride (FeCl 3 ) From 0.01% to 3.0%, ferrous chloride (FeCl 2 ) From 0.01% to 2.0%, 1.0% to 4.0% hydrochloric acid, 40% to 50% ethanol, the balance being water. Wherein the mass concentration of hydrochloric acid: 29% to 34%.
[0023] Etchant and content of each component is preferably as follows: copper 0.1% to 0.8% chloride, copper nitrate, 0.1% to 0.8%, 0.1% to 0.8% magnesium chloride, ferric chloride, 0.1% to 2.0%, 0.1% ferrous chloride to 1.5%, from 2.0% to 3.0% HCl, 42% ethanol to 48% and the balance is water.
[0024] The components in the etchant in mass percent is more preferably: copper chloride 0.15% to 0.6%, of copper nitrate, 0.15% to...
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