1 Molten sulfur has a dark red color above 200 Â°C. Different allotropes have different densities of about 2 g/cm. Stable allotropes are excellent electrical insulators.  Sulfur burns with a blue flame, forming sulfur dioxide with suffocating odor.
1 Clean stainless steel at least once a week. 2  Always apply stainless steel cleaner/polish with a nonabrasive cloth or sponge, working with, not across, the grain. 3  Do not use steel wool, wire brushes or abrasive sponge pads. 4  Use only non-scratch cleaning pads. 5  Cleaners containing chloride (bleach) are not recommended.
To protect aluminum cookware from discoloration, never wash it in a dishwasher or let it soak in soapy water for long periods of time. To remove interior discoloration, fill the pan with water, add 1 tablespoon cream of tartar or 1 tablespoon lemon juice per quart of water, and simmer until the discoloration is gone. Complete the process by scouring the pan with a steel-wool soap pad. Caution: Wear rubber gloves.