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GB/T 5432-2008 English PDF

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Q: Should I purchase the latest version GB/T 5432-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5432-2008 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$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 5432-2008: Test method for density of glass by buoyancy
Status: Valid

GB/T 5432: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5432-2008	169	Add to Cart	3 days	Test method for density of glass by buoyancy	Valid
GB/T 5432-1985	199	Add to Cart	2 days	The density of daily use glass--Test method	Obsolete

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Basic data

Standard ID: GB/T 5432-2008 (GB/T5432-2008)
Description (Translated English): Test method for density of glass by buoyancy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y22
Classification of International Standard: 81.040.30; 17.060
Word Count Estimation: 7,724
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Older Standard (superseded by this standard): GB/T 5432-1985
Adopted Standard: ASTM C693-1993 (2003), MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.26 (Total No.139)
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 method for determining the density of around 25��C glass with buoyancy method. This standard applies to all types of uniform density glass materials and products.

GB/T 5432-2008: Test method for density of glass by buoyancy

---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.
Test method for density of glass by buoyancy ICS 81.040.30; 17.060 Y22 National Standards of People's Republic of China Replacing GB/T 5432-1985 Glass densitometry buoyancy method Posted 2008-12-30 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The revised standard used by the US ASTM C693-1993 (2003) "Standard Test Method for Density of Glass buoyancy" (In English). This standard redrafted according ASTMC693-1993 (2003), some of the ASTM standards applicable to the form of expression In the form of standard formulation, its technical content and ASTMC693-1993 (2003) agreement. This standard ASTMC693-1993 (2003) for the difference. --- Removed ASTMC693-1993 (2003) of the preamble, the reference standard, meaning and use; --- Increasing the foreword and principles; --- The equipment in use by the material component suspended inconel or a platinum alloy to the metal; Content --- test report adds standard number, standard name, test date and test signature and so on. This standard replaces GB/T 5432-1985 "daily glass density determination." This standard and GB/T 5432-1985 difference is. --- Increase the definition section; --- Equipment removed analytical balance, beakers, thermometers quantity requirements, increasing the suspension components should use the same material regulation Set, increase the weight and barometer requirements; --- Increasing the density correction formula for the reference temperature; --- Delete the words "2 to 3 times the average of the measured values \u200b\u200bof the density of the sample as a" requirement; --- Added "precision and bias" section. Appendix A of this standard is a normative appendix. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee household glass (SAC/TC377) centralized. This standard was drafted. Donghua University, the National Optical glass enamels Quality Supervision and Inspection Center. The main drafters of this standard. Tang Lingling, Zhang Paganini. This standard replaces the standards previously issued as follows. --- GB/T 5432-1985. Glass densitometry buoyancy method

1 Scope

This standard specifies the method for determining the density of glass about 25 ℃ by buoyancy method. This standard applies to all types of uniform density glass materials and products.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 At a predetermined temperature, mass per unit volume of the material. The unit of density in grams per cubic centimeter should (g/cm3) represents. Principle 3 According to Archimedes' principle, the role of objects immersed in the liquid by upward buoyancy, buoyancy equal to the size of the object displaces liquid gravity. Accordingly, the weighing in air over the samples were weighed immersed in the liquid, according to the laws and density of the liquid, you can count The calculated density of the sample.

4 Equipment

4.1 Analytical balance. accuracy of 0.1mg. 4.2 Beaker. appropriate capacity (250mL ~ 750mL), can be placed in the balance and make the basket or wire loop is immersed in the sample holder which was distilled Distilled water. 4.3 Thermometer. calibrated (20 ℃ ~ 30 ℃), accuracy of 0.1 ℃, measure air and water temperature. 4.4 Suspension components. suspension wire should be less than 0.2mm diameter wire, and skim or vacuum heat treatment cleaning process; the same test Hanging wire test used, hanging baskets or wire loop sample holder should be the same material. Note. For a platinum alloy wire, another cleaning method can be employed is a platinum alloy wire on the oxidizing flame heated platinum alloy wire around until gas no longer Any color so far. 4.5 weight. accuracy of 0.1mg. 4.6 barometers, precision 1mmHg1) (optional). 1) 1mmHg = 133.322Pa.

5 Reagents

Distilled water. freshly prepared; after after boiling distilled water, placed in the balance for more than 2h in the environment, and should be used within 24h.

6 Sample

6.1 mass of about 20g, try to use the sample without bubbles, stones or other wrapping material. If cylindrical or rectangular cut, due Possible to maintain the sample surface smooth, slightly rounded edges, no cracks. Note. For the quality of 20g, sample density of about 2.5g/cm3 and a diameter of 2mm bubble density was measured in the resulting measurements of 0.05% error. 6.2 The best specimen is immersed in hot nitric acid, chromium - sulfuric acid or an organic lotion degreasing solvent cleaning in an ultrasonic bath, and then with alcohol ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 5432-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 5432-2008_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 5432-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 5432-2008_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 5432-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5432-2008 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.