COPPER SULFATE FOR PASSIVATION TEST Supplier Oman Muscat Barka Salalah Sohar Ruwi Mutrah Nizwa Al Hamra Manah

The copper sulfate test is used to detect the presence of metallic iron and iron oxide on the surface of materials.

Question - What solution strength is needed to copper sulfate solution can be used to determine if a metal is stainless steel or just steel ?
Answer - Copper sulfate (CuSO4*5H2O) + H2SO4 (anywhere from 1% to 50% is specified in various test methods).

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