Chemical resistance of glass used in the production of laboratory glassware. Method for determination of resistance of glass to attack by 6 mol/L hydrochloric acid at 100°C|Laboratory glassware, Laboratory ware, Glassware, Glass, Acid-resistance tests, Hydrochloric acid, Chemical-resistance tests, Testing conditions, Temperature, Test equipment, Specimen preparation, Flame photometry, Emission spectrophotometry, Boiling, Atomic absorption spectrophotometry, Chemical analysis and testing