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GB/T 6582-2021: Glass - Hydrolytic resistance of glass grains at 98 degree-Celsius - Method of test and classification
Status: Valid GB/T 6582: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6582-2021 | English | 279 |
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Glass - Hydrolytic resistance of glass grains at 98 degree-Celsius - Method of test and classification
| Valid |
GB/T 6582-2021
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| GB/T 6582-1997 | English | 279 |
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Glass. Hydrolytic resistance of glass grains at 98 Celsius. Method of test and classification
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GB/T 6582-1997
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| GB/T 6582-1986 | English | RFQ |
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Glass--Hydrolytic resistance of glass grains at 98 centigrade--Method of test and classification
| Obsolete |
GB/T 6582-1986
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PDF similar to GB/T 6582-2021
Basic data | Standard ID | GB/T 6582-2021 (GB/T6582-2021) | | Description (Translated English) | Glass - Hydrolytic resistance of glass grains at 98 degree-Celsius - Method of test and classification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N64 | | Word Count Estimation | 14,131 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 6582-2021: Glass - Hydrolytic resistance of glass grains at 98 degree-Celsius - Method of test and classification
---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.
Glass - Hydrolytic resistance of glass grains at 98℃ - Method of test and classification
ICS 81.040.01
CCSN64
National Standards of People's Republic of China
Replace GB/T 6582-1997
Water resistance of glass particles at 98℃
Test method and classification
(ISO 719.2020, MOD)
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
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 of Standardization Documents"
Drafting.
This document replaces GB/T 6582-1997 "Test Method and Classification of Particles for Water Resistance of Glass at 98℃", and is in line with GB/T 6582-
Compared with.1997, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Change pure water to test water, and add test water preparation method (see 5.1, 4.1 in.1997 edition);
---The method of preparing methyl red indicator solution is changed, and methyl red is no longer used instead of methyl red sodium salt (see 5.4, 4.3 in.1997 edition);
---Added the requirement of absolute ethanol (see 5.6);
---The cooling water tank has been deleted (see 5.13 in the.1997 edition);
---Added plastic stopper single mark volumetric flask (see 6.4.1);
---The aging method of the new volumetric flask is changed, and the original standard only uses water to use hydrochloric acid and water for the pretreatment process (see
6.4.2, 5.4 of the.1997 edition);
---Added mortar and pestle style and size drawing (see 6.11);
---Change the requirements of the ball mill (see 6.14, 5.17 of the.1997 edition);
--- An ultrasonic cleaner has been added (see 6.16);
---Added an electric heating plate (see 6.20);
---Added the steps of ultrasonic cleaner and absolute ethanol to clean glass particles (see 7.5);
---Changed the expression of Table 1 in the structural calculation and Table 2 in the classification (see Chapter 9, Chapter 8 of the.1997 edition);
---Clarified the concentration of the standard solution (see Chapter 10, Chapter 9 of the.1997 edition).
This document uses the redrafting method to amend and adopt ISO 719.2020 "Test Method for Water Resistance of Glass Particles at 98℃"
And classification.
Compared with ISO 719.2020, this document has more structural adjustments. Appendix A lists the chapters of this document and ISO 719.2020.
Article number comparison list.
Compared with ISO 719.2020, this document has technical differences. Appendix B gives a list of the corresponding technical differences and their reasons.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by the China National Light Industry Council.
This document is under the jurisdiction of the National Glass Instrument Standardization Technical Committee (SAC/TC178).
Drafting organization of this document. National Light Industry Glass Product Quality Supervision and Testing Center.
The main drafters of this document. Yuan Chunmei, Du Yuhai.
The release status of this document and the previous versions of the documents replaced are as follows.
---This document was first published in 1986, revised for the first time in.1997, and this is the second revision.
Water resistance of glass particles at 98℃
Test method and classification
1 Scope
This document specifies the test method and classification of the water resistance of glass particles at 98°C.
This document applies to all types of glass.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 622 Chemical reagent hydrochloric acid
GB/T 678 Chemical reagent ethanol (anhydrous ethanol)
GB/T 686 Chemical reagent acetone
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 12805 Laboratory glass burette (GB/T 12805-2011, ISO 385.2005, NEQ)
GB/T 12806 Laboratory glassware single mark volumetric flask (GB/T 12806-2011, ISO 1042.1998, NEQ)
GB/T 12808 Single-marked pipette for laboratory glassware
GB/T 15723 Laboratory glass instrument dryer
GB/T 15724 Laboratory glass beaker (GB/T 15724-2008, ISO 3819.1985, NEQ)
GB/T 22362 Laboratory Glass Apparatus Flask (GB/T 22362-2008, ISO 1773.1997, NEQ)
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Principle
This test method is to test glass as a glass particle material. Put 2g glass with a diameter of 300μm~500μm
The particles are immersed in distilled or deionized water at 98°C for 60 minutes, and the content of alkaline substances in the extraction solution is analyzed to determine the glass
The degree of water erosion resistance is expressed by the volume of hydrochloric acid consumed per unit mass of alkaline oxide precipitated by the glass or converted into the mass of sodium oxide.
5 Reagents
5.1 Test water
5.1.1 The test water can be purified water, and use distillation, ion exchange, reverse osmosis or other methods to prepare water suitable for drinking water.
The treatment method should meet the requirements of GB/T 6682, and should not contain heavy metals (especially copper). If necessary, the dithizone limit test method can be used to check
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