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Glass and glassware — Analysis of extract solutions — Part 1: Determination of silicon dioxide by molecular absorption spectrometry
90.93 Standard confirmed
Glass and glassware — Analysis of extract solutions — Part 2: Determination of sodium oxide and potassium oxide by flame spectrometric methods
90.93 Standard confirmed
Glass and glasssware — Analysis of extract solutions — Part 3: Determination of calcium oxide and magnesium oxide by flame atomic absorption spectrometry
90.93 Standard confirmed
Glass and glassware — Analysis of extract solutions — Part 4: Determination of aluminium oxide by molecular absorption spectrometry
90.93 Standard confirmed
Glass and glassware — Analysis of extract solutions — Part 5: Determination of iron(III) oxide by molecular absorption spectrometry and flame atomic absorption spectrometry
90.93 Standard confirmed
Glass and glassware — Analysis of extract solutions — Part 6: Determination of boron(III) oxide by molecular absorption spectrometry
90.93 Standard confirmed
Laboratory glassware — Disposable microhaematocrit capillary tubes
90.60 Close of review
Guidelines on types of glass of normal bulk-production composition and their test methods
90.60 Close of review
Laboratory glassware — Vacuum-jacketed vessels for heat insulation
90.93 Standard confirmed
Laboratory glassware — Narrow-necked boiling flasks
90.20 Standard under periodical review
Porcelain laboratory apparatus — Requirements and methods of test
90.93 Standard confirmed
Glass — Resistance to attack by hydrochloric acid at 100 degrees C — Flame emission or flame atomic absorption spectrometric method
90.60 Close of review
Laboratory glassware — Wide-necked boiling flasks
90.20 Standard under periodical review
Plastics laboratory ware — Single-use Petri dishes for microbiological procedures
90.93 Standard confirmed
