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Borosilicate Glass Beaker The manufacturers of laboratory glassware such as Corning, the manufacturer of laboratory glassware, may recommend a wide variety of cleaning solutions which may include biodegradable phosphate-free and chromium-free formulations. These will be available for purchase through many laboratory supply companies. Instructions for using these solutions should be read and closely followed. When using any cleaning solution that comes in contact with the skin, always wash the exposed area with repeated water rinses to avoid burns. Always read the Material Safety Data Sheets of the cleaning solutions being employed. It is generally agreed that laboratory glassware should be soaked immediately after use to eliminate the danger of caking of residues. Or, if grease is involved, a preliminary, short rinse with an organic solvent may be necessary.