GB/T 22067-2008 English PDF

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GB/T 22067-2008: Laboratory glassware -- Wide necked boiling flasks
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22067-2008	259	Add to Cart	3 days	Laboratory glassware -- Wide necked boiling flasks	Valid

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Basic data

Standard ID: GB/T 22067-2008 (GB/T22067-2008)
Description (Translated English): Laboratory glassware -- Wide necked boiling flasks
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N64
Classification of International Standard: 81.040.01
Word Count Estimation: 11,164
Date of Issue: 2008-08-19
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 15725.3-1995
Quoted Standard: GB/T 191; GB/T 2828.1; GB/T 4548; GB/T 4548.2; GB/T 6543; GB/T 6579; GB/T 6580; GB/T 6581; GB/T 6582; GB/T 15726; GB/T 15728; GB/T 16920; QB/T 2298; HG/T 3115
Adopted Standard: ISO 24450-2005, NEQ
Regulation (derived from): Announcement of Newly Approved National Standards No. 14 of 2008 (total 127)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the classification of wide -necked flask, structure type, size and structural design, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to laboratory use wide-mouth glass flask.

GB/T 22067-2008: Laboratory glassware -- Wide necked boiling 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.
Laboratory glassware. Wide necked boiling flasks ICS 81.040.01 N64 National Standards of People's Republic of China Replacing GB/T 15725.3-1995 Laboratory glassware wide mouth flask (ISO 24450.2005, NEQ) Posted 2008-08-19 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This corresponds to the standard ISO 24450.2005 "Laboratory glassware wide-necked flask," 24450 and ISO .2005 level of consistency Not equivalent. This standard and ISO 24450.2005 is the main differences. --- An increase of some series of specifications; --- Increasing the inner surface of the water, acid and alkali resistance, stress and thermal shock performance indicators; --- Increase the appearance of the product requirements; --- Increased test methods, inspection rules and packaging, transport and storage. This standard replaces GB/T 15725.3-1995 "laboratory glassware wide-necked flask." This standard compared with GB/T 15725.3-1995 The main changes are. increasing the inner surface of the water resistance, acid resistance (spectrometry Method), internal stress birefringence optical path difference, thermal shock temperature and product testing rules. Appendix A of this standard is an informative annex. The standard proposed by China National Light Industry Council. This standard by National Instrument Standardization Technical Committee on Glass (SAC/TC178) centralized. This standard was drafted. Beijing Glass Instrument Factory, glass National Light Industry Product Quality Supervision and Inspection Center. The main drafters of this standard. Wu Wenling, Yuan Shouju, Du Yuhai, Yuan Chunmei. This standard replaces the standards previously issued as follows. --- GB/T 15725.3-1995. Laboratory glassware wide mouth flask

1 Scope

This standard specifies the wide-necked flask classification, structure type, size and design, technical requirements, test methods, inspection rules and Signs, packaging, transport and storage. This standard applies to wide-mouth glass laboratory flask.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD) GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 4548 glass container surface water erosion performance test methods and classification (GB/T 4548-1995, eqv ISO 4802-1. 1988) GB/T 4548.2 inner surfaces of glass containers for hydrolytic resistance was determined by flame spectrometry and classification (GB/T 4548.2-2003, ISO 4802-2. 1988, IDT) GB/T 6543 Corrugated Box GB/T 6579 laboratory glassware thermal shock test method (GB/T 6579-2007, ISO 718.1990, IDT) GB/T 6580 Glass - Resistance to boiling aqueous solution of mixed alkali erosion resistance test methods and classification (GB/T 6580-1997, eqv ISO 695.1991) GB/T 6581 Glass - Resistance to attack by hydrochloric acid at 100 ℃ flame atomic absorption or emission spectrometry measurement method (GB/T 6581- 2007, ISO 1776. 1985, MOD) GB/T 6582 at 98 ℃ water resistance of glass particles - Test method and classification (GB/T 6582-1997, eqv ISO 719. 1985) Within the GB/T 15726 glassware stress testing methods GB/T 15728 glass resistant to boiling hydrochloric acid attack by weight of the test method and classification GB/T 16920 average linear thermal expansion coefficient of glass measuring method (GB/T 16920-1997, eqv ISO 7991. 1987) QB/T 2298 Double measured thermal expansion coefficient HG/T 3115 borosilicate glass 3.3 performance Category 3 Press the wide mouth flask series structure type and size classification are shown in Table 1. Table 1 structure type and specifications series milliliters Structure type specification series Wide mouth conical flask 50,100,200,250,300,500,1000 Wide mouth round bottom flask 50,100,250,500,1000,2000,3000,5000,6000 Wide mouth flat-bottomed flask 50,100,250,500,1000,2000,3000,5000,6000 ......

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