GB 21549-2008 (English Version) PDF

Standard No.: GB 21549-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 21549-2008

Scope: This standard specifies the safety technical requirements and inspection rules for laboratory glass instruments - glass burners. This standard applies to various burner products of laboratory glass instruments.

GB 21549-2008 Referenced Document

GB/T 15726 Glassware一Stress examination methods*， 2021-08-20 Update
GB/T 15728 Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification*， 2021-08-20 Update
GB/T 16920 Determination of average linear thermal expansion coefficient of glass*， 2016-07-01 Update
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 4548 Test method and classification for hydrolytic resistance of the interior surfaces of glass containers
GB/T 4548.2 Glassware-Hydrolytic resistance of the interior surfaces of glass containers-Determination by flame spectrometry and classification
GB/T 6579 Laborator glassware.Thermal shock and thermal shock endurance test methods
GB/T 6580 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification*， 2021-08-20 Update
GB/T 6581 Glass resistance to attack by hydrochloric acid at 100℃ flame emission methid or flame atomic absorption spectrometric method
GB/T 6582 Glass—Hydrolytic resisitance of glass grains at 98℃—Method of test and classification*， 2021-08-20 Update
QB/T 2298 Measuring Linear Thermal Expansion Coefficient of Glass by Two-Line Method

2008 GB 21549-2008 Laboratory glassware.Safe requirement of heat resisting glassware