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GB/T 12010.8-2010 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12010.8-2010 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$78.00 · In stock
Delivery: <= 1 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12010.8-2010: Plastic -- Polyvinyl alcohol (PVAL) materials -- Part 8: Determination for transparency
Status: Valid

GB/T 12010.8: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12010.8-2010	78	Add to Cart	1 days	Plastic -- Polyvinyl alcohol (PVAL) materials -- Part 8: Determination for transparency	Valid
GB/T 12010.8-1989	199	Add to Cart	2 days	Determination for pH of polyvinyl alcohol resins	Obsolete

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Basic data

Standard ID: GB/T 12010.8-2010 (GB/T12010.8-2010)
Description (Translated English): Plastic -- Polyvinyl alcohol (PVAL) materials -- Part 8: Determination for transparency
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.080
Word Count Estimation: 5,510
Date of Issue: 2010-09-02
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 12010.12-1989
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 for measuring the transparency of the material with an aqueous solution of polyvinyl alcohol was measured using a spectrophotometer non-fibrous. This section applies to an alcohol solution of greater than 70% (mole fraction) of 4% aqueous solution of polyvinyl alcohol transparency of the material.

GB/T 12010.8-2010: Plastic -- Polyvinyl alcohol (PVAL) materials -- Part 8: Determination for transparency

---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.
Plastic polyvinyl alcohol (PVAL) materials Part 8. Determination for transparency ICS 83.080 G31 National Standards of People's Republic of China Replacing GB/T 12010.12-1989 Plastic material polyvinyl alcohol (PVAL) Part 8. Determination of transparency Plastic-Poly (vinylalcohol) (PVAL) materials- Part 8. Determinationfortransparency 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 812,010, and JISK6726.1994 (2003 Confirmafion) "polyvinyl alcohol test method" (Japanese Version) The non-equivalent. This Part replaces GB/T 12010.12-1989 "polyvinyl alcohol resin transparency determination." This section compared with the GB/T 12010.12-1989 main changes are as follows. --- Increasing the reference document (Chapter 2 of this edition); --- Improve the accuracy of the balance (1989 version 3.3, this version 4.2); --- Sample weight by the sample was adjusted to 12g 15g (1989 version 4.1, this version 5.1). 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. Shu Xiaoyan, small Yang Lu, Zhu Zeli, Tang Songqiao, Pu Li Jun, Yan Hong, cold leather Hui, Wang Yonggui, Zhao Ping. This part of the standard replaces the previous editions are. --- GB/T 12010.12-1989. Plastic material polyvinyl alcohol (PVAL) Part 8. Determination of transparency

1 Scope

GB/T 12010 in this section specifies the method for determining the non-transparency of aqueous polyvinyl alcohol fiber material with a spectrophotometer. This section applies to the determination of the degree of transparency of the alcohol solution is greater than 70% (mole fraction) of 4% aqueous solution of polyvinyl alcohol 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. Laboratory use specifications and test methods GB/T 6682 Analysis JJG178 ultraviolet, visible, near infrared spectrophotometer Principle 3 Measured by a spectrophotometer 430nm light waves through the optical path is 20mm, concentration of 4% aqueous solution of polyvinyl alcohol material light transmittance.

4 Instrument

4.1 Spectrophotometer. with 20mm path length cuvette and meet JJG178. 4.2 Balance. accurate to 0.001g. 4.3 Erlenmeyer flask. 500mL. 4.4 dissolution device. can be heated and stirred. 4.5 constant temperature water bath. (30.0 ± 0.1) ℃.

5 steps

Test water should be at least in line with GB/T 6682 in the three water specifications. Preparation 5.1 4% aqueous solution of polyvinyl alcohol 5.1.1 Weigh a sample of about 15g, accurate to 0.001g, placed in 500mL Erlenmeyer flask. 5.1.2 according to formula (1) Calculate the mass of water to be added, adding water modulation. m = m0 × (100-w) 4 -m0 (1) Where. m0 --- weighed sample mass value in grams (g); Numerical m --- plus water, in grams (g); w --- sample value volatile content,%; 4 --- expressed in% of the prescribed value solution concentration. 5.1.3 The sample is completely dissolved by heating, cooled to room temperature, then placed (30.0 ± 0.1) ℃ constant temperature water bath 30min, so the test solution gas Bubble disappears, and set aside. NOTE. Before sample dissolution, the quality should remain unchanged after the test solution. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12010.8-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12010.8-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically in 24 hours. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12010.8-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12010.8-2010_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 12010.8-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12010.8-2010 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.