Polished specimen with water sandpaper progressively to 2000 # then passivated 6h in the solution of 30 ℃, 35% hno3, using x-ray photoelectron spectroscopy analysis of the composition of the sample surface passivation film, x-ray source for alkα single color picker, power 150w; high-resolution scann

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Test specimen water used sandpaper progressive polish to 2000#, then in 30℃ the 35%HNO3 solution deactivates 6h, uses X beam light electronic energy spectrometer to analyze the test specimen surface deactivation membrane the ingredient, X beam source for AlKα, monochromator, power 150W; The high res

Water sandpaper threaded grinding the specimen to 2000#, and then to 30 degrees centigrade of 35%HNO3 passivation of 6h in aqueous solution, using the x-ray photoelectron spectroscopy analysis on the composition of the specimen surface passivation films, x-ray source for AlK α, monochromator, power

will be in water samples at each level with sandpaper to sand, and then in 2000 #30 35 per cent of the °C HNO 3 solution in the 6H blunt weapon, use X-ray photoelectron spectroscopy, analytical samples of surface passivation film composition, X AlK-ray source, the color is, the power 150 W; high-res