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Crucibles with lid. 99% pure nickel, 1% trace alloys including copper. Melting point for a nickel crucible (approx.): 700°C.
Suitable for melting:
NaOH (sodium hydroxide)
Sodium carbonate
Sodium hydrogen carbonate
Not suitable to melt the following:
Potassium sulphate
Sodium hydrogen sulphate
Potassium bisulfate
Pyrosulfates
Borax (sodium tetraborate decahydrate)
The following metals should not be used with/in nickel crucibles as they cause oxidation and damage.
Aluminum
Zinc
Lead
Tin
Mercury