Materials and Construction
100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with

Mild steel and stainless steel
Aluminium, tin and rubber
Cast iron and high silicon iron
Teflon, glass and porcelain

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Materials and Construction
Nickel as a material of construction

Is used as an alloying element for both ferrous & non-ferrous alloys
Has a body centred cubic (bcc) crystal lattice structure
Is paramagnetic below 415° C (its Curie temperature)
Dimagnetic

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