Slightly less dense minerals can be separated in the same way by mixing the bromoform with a small amount of a less dense and fully miscible solvent.
2.
These are composed of organic, water-miscible solvent such as isopropyl alcohol and an alkaline detergent . Some glass cleaners also contain a fine, mid abrasive . Most glass cleaners are available as sprays or liquid . They are sprayed directly onto windows, mirrors and other glass surfaces or applied on with a soft cloth and rubbed off using a soft, lint-free duster . A glass cloth ideal for the purpose & soft water to which some methylated spirit or vinegar is added which is an inexpensive glass cleaner.
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