GB/T 40890-2021
General quality requirements and test methods for the teaching vitreous equipment

Standard No.

GB/T 40890-2021

Language

Chinese

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 40890-2021

Scope

This document specifies the geometric shape and fit, appearance, physical and chemical properties, material and environmental test requirements and test methods of glass instruments for teaching, as well as inspection rules, signs, labels, packaging, instructions, storage and transportation. This document is applicable to laboratory glass instruments used in teaching in primary and secondary schools. University laboratory glass instruments can be used as a reference. This document does not apply to electric vacuum teaching instruments and optical teaching instruments made of glass.

GB/T 40890-2021 Referenced Document

• GB 21749-2008 Safety requirements for the educational equipment.Vitreous equipment and attachments
• GB/T 1031 Geometrical Product Specifications(GPS).Surface texture:Profile method.Surface roughness parameters and their values
• GB/T 13868 Sensory analysis.General guidance for the design of test rooms
• GB/T 15726-1995 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 16920-2015 Determination of average linear thermal expansion coefficient of glass
• GB/T 21297-2007 Laboratory glassware-Interchangeable conical ground joint
• GB/T 23470.1 Sensory analysis.General guidance for the staff of a sensory evaluation laboratory.Part 1:Staff reponsibilities
• GB/T 28209 Chemical analysis method of borosilicate glass*， 2023-03-17 Update
• GB/T 28211-2011 Laboratory glassware. Filter funnels
• GB/T 2828.1-2012 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
• GB/T 35599-2017 Laboratory glass and glassware outward defect terms
• GB/T 4546-2008 Glass containers.Internal pressure resistance.Test methods
• GB/T 4547-2007 Glass containers.Test methods of the thermal shock resistance and thermal shock endurance
• GB/T 4548-1995 Test method and classification for hydrolytic resistance of the interior surfaces of glass containers
• GB/T 4548.2-2003 Glassware-Hydrolytic resistance of the interior surfaces of glass containers-Determination by flame spectrometry and classification
• GB/T 4892 Dimensions of rigid rectangular transport packages
• GB/T 6579 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 6581-2007 Glass resistance to attack by hydrochloric acid at 100℃ flame emission methid or flame atomic absorption spectrometric method
• GB/T 6582-1997 Glass--Hydrolytic resistance of glass grains at 98℃--Method of test and classification
• HG/T 3115 Borosilicate glass 3.3 - Properties

GB/T 40890-2021 history

• 2021 GB/T 40890-2021 General quality requirements and test methods for the teaching vitreous equipment