GB/T 12010.6-2010 English PDF

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GB/T 12010.6-2010: Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 6: Determination for particle size
Status: Valid

GB/T 12010.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12010.6-2010	78	Add to Cart	1 days	Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 6: Determination for particle size	Valid
GB/T 12010.6-1989	199	Add to Cart	2 days	Determination for sodium acetate contents of polyvinyl alcohol resins	Obsolete

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Basic data

Standard ID: GB/T 12010.6-2010 (GB/T12010.6-2010)
Description (Translated English): Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 6: Determination for particle size
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.080
Word Count Estimation: 5,547
Date of Issue: 2010-09-02
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 12010.10-1989
Quoted Standard: GB/T 6003.1-1997
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 determination of the particle size of the material is polyvinyl alcohol. This section applies to the determination of greater than 70% alcohol solution (mole fraction) PVA material particle size and particle size distribution.

GB/T 12010.6-2010: Plastics -- Poly (vinyl alcohol) (PVAL) materials -- Part 6: Determination for particle size

---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 6. Determination for particle size ICS 83.080 G31 National Standards of People's Republic of China Replacing GB/T 12010.10-1989 Plastic material polyvinyl alcohol (PVAL) Part 6. Determination of particle size Plastic-Poly (vinylalcohol) (PVAL) materials- Part 6. Determinationforparticlesize 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 612,010, and JISK6726.1994 (2003 Confirmafion) "polyvinyl alcohol test method" (Japanese Version) The non-equivalent. This Part replaces GB/T 12010.10-1989 "polyvinyl alcohol resin particle size measurement method." This section compared with the GB/T 12010.10-1989 main changes are as follows. --- Increasing the reference document (Chapter 2 of this edition); --- Canceled a number of test sieve aperture and specific requirements (1989 version 5.1, this version 5.1); --- Improve the accuracy of the balance (1989 version 5.4, this version 5.4); --- Specimen sample weight has been adjusted (1989 version 6.1, this version 6.1). 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. Tangsong Qiao, Zhu Zeli, Shu Xiaoyan Yang Xiaolu, Pu Li Jun, Li Bin, Wang Jiandong, Zhao Ping. This part of the standard replaces the previous editions are. --- GB/T 12010.10-1989. Plastic material polyvinyl alcohol (PVAL) Part 6. Determination of particle size

1 Scope

GB/T 12010 provisions of this part of the determination of particle size polyvinyl material. This section applies to the determination of degree of hydrolysis greater than 70% (mole fraction) of the polyvinyl alcohol material particle size and particle size distribution.

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. GB/T 6003.1-1997 Test sieves of metal wire cloth

3 Terms and Definitions

The following terms and definitions apply to this section. 3.1 Sieve stay was sievingremainder Stay on the sieve after sieving polyvinyl material. Principle 4 The predetermined amount of the polyvinyl alcohol material was placed on a standard sieve, sieved through mechanical vibration, the quality measurement on the left each sieve sieve material fraction.

5 Instruments

5.1 standard sieve. Diameter 200mm, depth 45mm, in line with GB/T 6003.1-1997 Test sieves (sieves with sieve lid and chassis). According to the actual needs of users, select the number of each standard sieve sieve apertures. 5.2 assist device. Clean sieve with a suitable brush, collecting samples of container. 5.3 vibration sieve machine. vibration number (200 to 300) beats/min, about 150 times the number of slap/min. Performance of other similar devices may be the same use. 5.4 Balance. accurate to 0.1g. 5.5 Stopwatch.

6 steps

6.1 Weigh the sample 100g, accurate to 0.1g, is placed on the top sieve. The standard screen is firmly attached to the vibration sieve, vibration sieve start Machine, and start recording time, stop vibration 15min, removed together with the chassis together. 6.2 After the vibration, the screen was left on each sieve brush, weighed each standard sieve stay was quality, accurate to 0.1g.

7 The results are shown

Size to remain in the i-layer standard sieve sieve material polyvinyl alcohol was left wi mass fraction of its value is expressed in%, according to equation (1). ......

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