GB/T 15725.2-1995 Laboratory glassware—Kjeldahl flask

GB/T 15725.1-1995 Laboratory glassware—Flask(narrow neck) GB/T 15725.3-1995 Laboratory glassware—Flask(wide neck) GB/T 15725.4-1995 Laboratory glassware—Flask(multiple neck) GB/T 15725.5-1995 Laboratory glassware—Distilling flask GB/T 15725.6-1995 Laboratory glassware—Ground flasks

GB/T 22362-2008 Laboratory glassware—Flasks

QB 517 ZB Q30 002 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.2-2008 Sampling procedures for inspection by attributes—Part 2:Sampling plans indexed by limiting quality(LQ)for isolated lot inspection GB/T 2828.3-2008 Sampling procedures for inspection by attributes—Part 3:Skip-lot sampling procedures GB/T 2828.4-2008 Sampling procedures for inspection by attributes—Part 4:Procedures for assessment of declared quality levels GB/T 2828.5-2011 Sampling procedures for inspection by attributes—Part 5:System of sequential sampling plans indexed by acceptance quality limit(AQL)for lot-by-lot inspection GB/T 2828.10-2010 Sampling procedures for inspection by attributes—Part 10:Introduction to the GB/T 2828 series of standards for sampling for inspection by attributes GB/T 2828.11-2008 Sampling procedures for inspection by attributes—Part 11:Procedures for assessment of declared quality levels for small population GB/T 6579-1986 Laboratory glassware—Methods for thermal shock test GB/T 6579-2007 Laborator glassware—Thermal shock and thermal shock endurance test methods GB/T 6580-1997 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification GB/T 6580-2021 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification GB/T 6582-1997 Glass—Hydrolytic resistance of glass grains at 98℃—Method of test and classification GB/T 6582-2021 Glass—Hydrolytic resistance of glass grains at 98℃—Method of test and classification GB/T 12213-1990 Technical drawings for glassware GB/T 15726-1995 Glassware—stress examination methods GB/T 15726-2021 Glassware—Stress examination methods GB/T 15728-1995 Glass—Resistance to attack by a boiling hydrochloric acid—gravimetric method of test and classification GB/T 15728-2021 Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification GB/T 191-2025 Graphical symbols marking for handling and storage of packages