Be sure the final rinses sheet off of the glass. Wash with hot soapy water, rinse thoroughly with tap water, then rinse 3-4 times with deionized water. If the glassware requires scrubbing, scrub with a brush using hot soapy water, rinse thoroughly with tap water, followed by rinses with deionized water. Rinse with other solvents as needed, followed by ethanol and finally deionized water. Use ethanol for ethanol-soluble contents, followed by rinses in deionized water. Use deionized water for water-soluble contents. Rinse the glassware with the appropriate solvent. Rinse thoroughly with tap water to remove the base, then rinse 3-4 times with deionized water before putting the glassware away. Weak Bases (e.g., 0.1M and 1M NaOH and NH4OH).Rinse 3-4 times with deionized water before putting the glassware away. Weak Acids(e.g., acetic acid solutions or dilutions of strong acids such as 0.1M or 1M HCl or H2SO4).Strong Bases (e.g., 6M NaOH or concentrated NH4OH).Rinse 3-4 times with deionized water, then put the glassware away. Under the fume hood, carefully rinse the glassware with copious volumes of tap water. Strong Acids (e.g., concentrated HCl or H2SO4).In some situations other solvents need to be used for the initial rinse. Rinse 2-3 times with ethanol or acetone, rinse 3-4 times with deionized water, then put the glassware away. Water Insoluble Solutions (e.g., solutions in hexane or chloroform).Rinse 3-4 times with deionized water then put the glassware away. Water Soluble Solutions (e.g., sodium chloride or sucrose solutions).You can rinse the glassware with the proper solvent, then finish up with a couple of rinses with distilled water, followed by final rinses with deionized water. Much of the time, detergent and tap water are neither required nor desirable. These detergents are preferable to any dishwashing detergent you might use on dishes at home. When detergent is used, it's usually one designed for lab glassware, such as Liquinox or Alconox. It's generally easier to clean glassware if you do it right away. Here's how to wash your glassware so that you won't ruin your chemical solution or laboratory experiment. Learn Proper Glassware Cleaning TechniquesĬleaning laboratory glassware isn't as simple as washing the dishes.

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