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GB/T 12010.7-2010 English PDF

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Q: Should I purchase the latest version GB/T 12010.7-2010?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12010.7-2010 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$149.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12010.7-2010: Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 7: Determination for sodium hydroxide contents
Status: Valid

GB/T 12010.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12010.7-2010	149	Add to Cart	2 days	Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 7: Determination for sodium hydroxide contents	Valid
GB/T 12010.7-1989	199	Add to Cart	2 days	Determination for ash content of polyvinyl alcohol resins	Obsolete

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Basic data

Standard ID: GB/T 12010.7-2010 (GB/T12010.7-2010)
Description (Translated English): Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 7: Determination for sodium hydroxide contents
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 33.080
Word Count Estimation: 5,565
Date of Issue: 2010-09-02
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 12010.11-1989
Quoted Standard: GB/T 601; GB/T 603; GB/T 6682
Adopted Standard: JIS K6726-1994 (2003), NEQ
Regulation (derived from): National Standard Approval Announcement 2010 No.4 (Total No.159)
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 determined by titration of the sodium content in the polyvinyl material. This section applies to an alcohol solution of greater than 70% (mole fraction) of sodium hydroxide polyvinyl material content.

GB/T 12010.7-2010: Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 7: Determination for sodium hydroxide contents

---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.
Plastics Poly (vinyl alcohol) (PVAL) materials Part 7. Determination for sodium hydroxide contents ICS 33.080 G31 National Standards of People's Republic of China Replacing GB/T 12010.11-1989 Plastic material polyvinyl alcohol (PVAL) Part 7. Determination of sodium hydroxide Plastics-Poly (vinylalcohol) (PVAL) materials- Part 7. Determinationforsodiumhydroxidecontents Issued on. 2010-09-02 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12010 "plastic material polyvinyl alcohol (PVAL)" is divided into eight sections. --- Part 1. Designation system and basis; --- Part 2. Performance measurement; --- Part 3. Specifications; Part --- Chapter 4. pH value measurement; --- Part 5. Determination of the average degree of polymerization; --- Part 6. Determination of particle size; --- Part 7. Determination of sodium hydroxide; --- Part 8. Determination of transparency. This section GB/T Part of 712,010, and JISK6726.1994 (2003 Confirmafion) "polyvinyl alcohol test method" (Japanese Version) The non-equivalent. This Part replaces GB/T 12010.11-1989 "polyvinyl alcohol resin sodium content determination method", and GB/T 12010.11- The main changes compared to 1989 are as follows. --- Increasing the reference document (Chapter 2 of this edition); --- Improve the accuracy of the burette (1989 version 5.3, this version 5.3); --- Sample weight by the sample (4 ~ 5) g, adjusted to 3g (1989 version 6, edition of 6); --- Canceled heated to reflux for sample dissolution (1989 version 6, edition of 6). This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee of plastic products and plastic resins General Methods Chapter (SAC/TC15/SC4) centralized. This section is responsible for drafting unit. Hunan Xiangwei Limited. This section participated in the drafting unit. China Petrochemical Group of Sichuan Vinylon Works, Ltd. Yunnan Yun-dimensional, synthetic resin national quality supervision Governor Inspection Center. The main drafters of this section. Zhuze Li, Shu Xiaoyan, Tang Songqiao, small Yang Lu, Yan Hong, Li Bin, cold leather Hui, Wang Jiandong, Wangyong Gui. This part of the standard replaces the previous editions are. --- GB/T 12010.11-1989. Plastic material polyvinyl alcohol (PVAL) Part 7. Determination of sodium hydroxide

1 Scope

GB/T 12010 in this section specifies the method for determining the content of polyvinyl alcohol, sodium hydroxide material by titration. This section applies to the determination of degree of hydrolysis greater than 70% (mole fraction) of the polyvinyl alcohol content of sodium hydroxide material.

2 Normative references

The following documents contain provisions which, through reference GB/T 12010 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Preparation of GB/T 601 chemical reagent standard titration solution GB/T 603 chemical reagent in test methods - Preparations with Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 The sample is dissolved in water, adding an excess of sulfuric acid in the sample of sodium hydroxide and sodium hydroxide standard titration solution and then titrated excess Sulfuric acid content of the sample is calculated sodium hydroxide. The reaction equation is. 2NaOH H2SO4 = Na2SO4 2H2O

4 Reagents

When this part of the reagents and water, unless otherwise specified, refer to analytically pure reagents and GB/T 6682 in the third grade water. As used in this part of the standard solution, preparations and products, except where noted according to GB/T 601, GB/T 603 formulation. 4.1 sulfuric acid standard titration solution. c 12H2SO ÷ 4 = 0.1mol/L. 4.2 sodium hydroxide standard titration solution. c (NaOH) = 0.1mol/L. 4.3 Phenolphthalein solution. 10g/L ethanol solution.

5 Instruments

5.1 Balance. accurate to 0.001g. 5.2 Erlenmeyer flask. 500mL. 5.3 Buret. 10mL, accurate to 0.05mL. 5.4 cylinder (cup).200mL. 5.5 dissolution device. can be heated and stirred.

6 steps

Weigh the sample 3g, accurate to 0.001 g of, moved within 500mL conical flask, was added 200mL of water, was added 1 drop 1-2 drops of phenolphthalein solution Solution (4.3), accurately added 5.00mL sulfuric acid standard titration solution (4.1), the Erlenmeyer flask into the dissolution apparatus and heated sample is completely dissolved solution. After the sample is dissolved, remove the Erlenmeyer flask, cooled and titrated with sodium hydroxide standard solution (4.2) test solution was titrated to a pink to 30s ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12010.7-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12010.7-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 2 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12010.7-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12010.7-2010_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 12010.7-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12010.7-2010 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.