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GB/T 15728-2021 English PDF

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Q: Should I purchase the latest version GB/T 15728-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15728-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 15728-2021: Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification
Status: Valid

GB/T 15728: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15728-2021	119	Add to Cart	3 days	Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification	Valid
GB/T 15728-1995	199	Add to Cart	2 days	Glass. Resistance to attack by a boiling bydrochloric acid. gravimetric method of test and classification	Obsolete

Similar standards

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

Basic data

Standard ID: GB/T 15728-2021 (GB/T15728-2021)
Description (Translated English): Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N64
Word Count Estimation: 6,691
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 15728-2021: Glass resistance to attack by a boiling hydrochloric acid gravimetric 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 resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification ICS 81.040.01 CCSN64 National Standards of People's Republic of China Replace GB/T 15728-1995 Weight test of resistance of glass to boiling hydrochloric acid Method and classification 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 15728-1995 "Glass weight test method and classification of boiling hydrochloric acid corrosion resistance", and Compared with GB/T 15728-1995, the main technical changes except for editorial changes are as follows. ---Added normative reference documents (see Chapter 2); ---The number of samples has been increased (see 7.3); --- Change the "Bunsen burner" in the test device to a "controllable temperature device" (see Chapter 8, Chapter 6 of the.1995 edition). 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, Liang Ye. The previous versions of this document and the documents replaced are as follows. ---In.1995, it was first published as GB/T 15728-1995; ---This is the first revision. Weight test of resistance of glass to boiling hydrochloric acid Method and classification

1 Scope

This document specifies the principles, reagents, instruments or materials for determining the corrosion resistance of glass in a boiling 6mol/L hydrochloric acid solution by gravimetric method. Preparation of materials and samples, test procedures, results presentation methods and test reports. This document is applicable to the acid resistance test and classification of various glasses.

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 620 Chemical reagent hydrofluoric acid 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

3 Terms and definitions

There are no terms and definitions that need to be defined in this document.

4 Principle

A glass sample with a total surface area of about 100cm2, eroded in a boiling 6.0mol/L±0.2mol/L hydrochloric acid solution for 6h, measurement unit The mass of the surface area lost. The corrosion resistance of glass is expressed by the quality of its unit surface loss, and the glass is Carry out classification.

5 Reagents

5.1 Use reagents of analytical grade and above. 5.2 Distilled water or deionized water. should meet the requirements of GB/T 6682 level 2 and above. 5.3 Acetone. should meet the requirements of GB/T 686. 5.4 Anhydrous ethanol. should meet the requirements of GB/T 678. 5.5 Hydrochloric acid. Should meet the requirements of GB/T 622, it should be prepared into 6.0mol/L±0.2mol/L solution and 2mol/L solution with hydrochloric acid. 5.6 Hydrofluoric acid (GB/T 620). HF content ≥ 40.0% (mass fraction). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 15728-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 15728-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 15728-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 15728-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 15728-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15728-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.