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GB/T 22362-2023 English PDF

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GB/T 22362-2023: Laboratory glass apparatus - Flasks
Status: Valid

GB/T 22362: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 22362-2023English619 Add to Cart 5 days [Need to translate] Laboratory glass apparatus - Flasks Valid GB/T 22362-2023
GB/T 22362-2008English559 Add to Cart 3 days [Need to translate] Laboratory glassware -- Flasks Obsolete GB/T 22362-2008

PDF similar to GB/T 22362-2023


Standard similar to GB/T 22362-2023

GB 17762   GB/T 15726   GB/T 12808   GB/T 15724   GB/T 15723   

Basic data

Standard ID GB/T 22362-2023 (GB/T22362-2023)
Description (Translated English) Laboratory glass apparatus - Flasks
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N64
Classification of International Standard 81.040.01
Word Count Estimation 30,31
Date of Issue 2023-05-23
Date of Implementation 2023-12-01
Older Standard (superseded by this standard) GB/T 22362-2008,GB/T 15725.4-1995
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 22362-2023: Laboratory glass apparatus - Flasks

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 81:040:01 CCSN64 National Standards of People's Republic of China Replacing GB/T 22362-2008, GB/T 15725:4-1995 laboratory glass instrument flask (ISO 1773:1997, Laboratory glassware-Narrow-necked boiling flasks, MOD) Released on 2023-05-23 2023-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product Category 2 5 Structure type, size and structure design 2 5:1 Thin-necked Erlenmeyer flask, wide-necked Erlenmeyer flask 2 5:2 Narrow-necked round-bottomed flasks and narrow-necked flat-bottomed flasks4 5:3 Kjeldahl flask (nitrogen flask) 6 5:4 Distillation flasks 8 5:5 Kelvin Fractionating Flask9 5:6 Vickers fractionation flask (thorn-shaped fractionation flask) 11 5:7 Double-necked round bottom flask 12 5:8 Three-neck round bottom flask 14 5:9 Eggplant flask 16 6 Technical Requirements 17 6:1 Material 17 6:2 Physical and chemical properties 17 6:3 Appearance 18 7 Test method 20 7:1 Size 20 7:2 Materials 20 7:3 Physical and chemical properties 20 7:4 Appearance 21 8 Inspection rules 21 8:1 Inspection classification 21 8:2 Factory inspection 21 8:3 Type inspection 22 8:4 Judgment rule 22 9 Labeling, packaging, transportation and storage 22 9:1 Flags 22 9:2 Packaging 23 9:3 Transport 23 9:4 Storage 23 Appendix A (informative) This document and ISO 1773:1997 structure number comparison list 24 Appendix B (informative) List of technical differences between this document and ISO 1773:1997 and their reasons 25 Appendix C (informative) Erlenmeyer flask capacity graduation 26

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document replaces GB/T 22362-2008 "Laboratory Glass Apparatus Flasks" and GB/T 15725:4-1995 "Laboratory Glass Apparatus Two-necked and three-necked spherical round bottom flasks": This document is based on GB/T 22362-2008, integrating the contents of GB/T 15725:4-1995 Allow: Compared with GB/T 22362-2008, except for structural adjustment and editorial changes, the main technical changes are as follows: --- Changed the normative references (see Chapter 2, Chapter 2 of GB/T 22362-2008); --- Changed the structure type and size of the flask (see Table 1, Table 1 of GB/T 22362-2008); --- Changed the structure type and size of the narrow-necked Erlenmeyer flask (see 5:1, 4:1 of GB/T 22362-2008); --- Increased the structure type and size of the wide-mouth Erlenmeyer flask (see 5:1); --- Changed the structure type and size of the Kjeldahl flask (see 5:3, 4:3 of GB/T 22362-2008); --- Increased the structure type and size of the double-necked round bottom flask (see 5:7); --- Increased the structure type and size of the three-neck round bottom flask (see 5:8); --- Increased the structure type and size of the eggplant flask (see 5:9); --- Changed the material reference standard (see 6:1, 5:1 of GB/T 22362-2008); --- Changed appearance requirements (see 6:3, 5:3 of GB/T 22362-2008); ---Changed the test method (see Chapter 7, Chapter 6 of GB/T 22362-2008); --- Changed the inspection rules (see Chapter 8, Chapter 7 of GB/T 22362-2008); --- Changed the capacity graduation table of the Erlenmeyer flask (see Appendix C, Appendix A of GB/T 22362-2008): This document is modified to adopt ISO 1773:1997 "Laboratory Glass Apparatus Narrow-necked Flasks": Compared with ISO 1773:1997, this document has more structural adjustments: For the comparison list of structural number changes between the two documents, see Appendix A: Compared with ISO 1773:1997, this document has more technical differences, and vertical single Lines (|) are marked: See Appendix B for a list of these technical differences and their causes: The following editorial changes have been made to this document: --- In order to coordinate with existing standards, change the name of the standard to "Laboratory Glass Instrument Flasks"; --- Added Appendix C (informative) "Erlenmeyer flask capacity graduation": Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China National Light Industry Council: This document is under the jurisdiction of the National Standardization Technical Committee for Glass Instruments (SAC/TC178): This document was drafted by: Beijing Institute of Drug Packaging Materials Inspection, Sichuan Shubo (Group) Co:, Ltd:, Beijing Glass Group Co:, Ltd: Responsible company, Jiangsu Huaou Glass Co:, Ltd:, Shanghai Erfan Biotechnology Co:, Ltd:, Chongqing Xinweier Glass Co:, Ltd: The main drafters of this document: Yuan Chunmei, Yao Yujie, Ling Zhaopei, Chen Ruzhu, Cheng Jiahong, Xu Wenhua, Zhang Chunjiang, Liu Baijun: The release status of previous versions of this document and the documents it replaces are as follows: ---GB/T 22362, first published as GB/T 22362-2008 in:2008; ---GB/T 15725:4, first published as GB/T 15725:4-1995 in:1995; --- This is the first revision, integrating and revising GB/T 15725:4-1995: laboratory glass instrument flask

1 Scope

This document specifies the product classification, structure type, size and structure design, technical requirements, test methods, inspection rules, and labels of flasks: marking, packaging, transportation and storage: This document applies to laboratory glass flasks:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references Only the version corresponding to that date applies to this document: For undated references, the latest edition (including any amendments) applies to this document: GB/T 191 Packaging, storage and transportation icons (GB/T 191-2008, ISO 780:1997, MOD) GB/T 2828:1 Counting sampling inspection procedure Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) (GB/T 2828:1-2012, ISO 2859-1:1999, IDT) GB/T 4548 Test method and classification of inner surface water erosion resistance of glass containers (GB/T 4548-1995, eqvISO 4802-1: 1988) GB/T 4548:2 Determination and classification of the water erosion resistance of the inner surface of glass containers by flame spectroscopy (GB/T 4548:2- 2003, ISO 4802-2:1988, IDT) GB/T 6543 Single and double corrugated cartons for transport packaging GB/T 6579 Test method for thermal shock and thermal shock strength of laboratory glass instruments (GB/T 6579-2007, ISO 718: 1990, IDT) GB/T 6580 Test method and classification of glass resistance to boiling mixed alkali aqueous solution (GB/T 6580-2021, ISO 695: 1991, MOD) GB/T 6581 Flame emission or atomic absorption spectrometry method for determination of resistance to hydrochloric acid attack of glass at 100°C (GB/T 6581- 2007, ISO 1776:1985, MOD) GB/T 6582 Water resistance test method and classification of glass glass particles at 98 ℃ (GB/T 6582-2021, ISO 719:2020, MOD) GB/T 15726 Test method for internal stress of glass instruments GB/T 15728 Gravimetric test method and classification of glass corrosion resistance to boiling hydrochloric acid GB/T 16920 Determination of average linear thermal expansion coefficient of glass GB/T 21297 Interchangeable conical frosted joints for laboratory glass instruments (GB/T 21297-2007, ISO 383:1976, IDT) GB/T 28194 Determination of Coefficient of Thermal Expansion of Glass Bilinear Normal GB/T 28209 Methods for Chemical Analysis of Borosilicate Glass GB/T 34843 3:3 Properties of borosilicate glass (GB/T 34843-2017, ISO 3585:1998, MOD)

3 Terms and Definitions

This document does not have terms and definitions that need to be defined:

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