Cogne unico
€70.00
Revela la microestructura en aceros inoxidables ferríticos,
dúplex, martensítico y austenítico y en aceros rápidos.
Destacar la presencia de fase sigma
Description
10 ml HCl + 6 ml acido
acetico glacial
+ 1-2 mg acido picrico
+ ml 100 etanol 95%
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