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GB/T 33069-2016: Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33069-2016 | English | 279 |
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Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
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GB/T 33069-2016
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Basic data | Standard ID | GB/T 33069-2016 (GB/T33069-2016) | | Description (Translated English) | Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 71.080.80 | | Word Count Estimation | 14,177 | | Date of Issue | 2016-10-13 | | Date of Implementation | 2017-05-01 | | Regulation (derived from) | National Standard Notice No.1716 of 2016 | | 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 | GB/T 33069-2016: Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use---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.
Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
ICS 71.080.80
G31
National Standards of People's Republic of China
Methods for the determination of poly (N - vinylpyrrolidone) for industrial use
2016-10-13 released
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Petroleum and Chemical Industry Association.
This standard by the National Plastics Standardization Technical Committee Thermosetting Plastics Subcommittee (SAC/TC15/SC11) centralized.
The drafting of this standard. Shanghai Yu-a new water materials Technology Co., Ltd., the National Center for synthetic resin quality supervision and inspection, Hangzhou
Shenhua Technology Development Co., Ltd., in the salt Anhui Red Quartet Co., Ltd., Zhangzhou Huafu Chemical Co., Ltd., Dongying City Huaan Chemical Co., Ltd.
Responsible company, Jiaozuo in Victoria special medicine Co., Ltd., Zhangjiakou Kema new materials Technology Co., Ltd., Shanghai Yu-up Biological Technology Co.,
The main drafters of this standard. Wang Yu, Chen Zhan, Zhao Ping, Liu Lirong, Wu Jiaxiang, Xiao Chongning, Luo Shouyuan, Xu Suwan, Sun Baozhong, Zhang Dongfeng,
Zhang shilin.
Methods for the determination of poly (N - vinylpyrrolidone) for industrial use
1 Scope
This standard specifies the appearance, identification, K value, NVP residual monomer, moisture, solid content, pH value of industrial poly (N-vinylpyrrolidone)
Value and sulfate ash detection method.
This standard applies to N-vinyl pyrrolidone (hereinafter referred to as NVP) monomer by solution polymerization made of industrial poly N-vinyl
Pyrrolidone (hereinafter referred to as PVP) linear polymer.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Preparation of standard titration solution for GB/T 601 chemical reagents
Preparation of preparations and preparations for use in the test methods for chemical reagents GB/T 603
GB/T 6283 Determination of moisture content in chemical products Karl Fischer method (general method)
GB/T 6682 Analytical laboratory water specifications and test methods
General rules for the determination of pH value of chemical reagents GB/T 9724
3 reagent
Unless otherwise noted, the reagents used are analytical reagents, water are in line with GB/T 6682 provisions of the three water specifications, the standard used
Titration solution, preparation and products, according to GB/T 601, GB/T 603 provisions of the preparation, if the use of other levels of reagents, with its purity will not
Reduce the accuracy of the test shall prevail.
4 test method
4.1 appearance
4.1.1 Solid Specimen. Visualized in indoor natural light.
4.1.2 Liquid sample. Take 50mL ~ 60mL sample, placed in a clean, dry 100mL test tube, under the indoor natural light visual inspection.
4.2 Identification
4.2.1 solution
4.2.1.1 iodine test solution. take 13.0g iodine and 35.0g potassium iodide, dissolved in 100mL water, diluted to 1000mL, shake, stored in brown
Bottle.
4.2.1.2 hydrochloric acid solution. measure the amount of 117mL hydrochloric acid, placed in 1000mL reagent bottle, diluted with water to 1000mL.
4.2.1.3 Potassium dichromate test solution. Weigh 7.5g potassium dichromate, add water to dissolve and dilute to 100mL.
4.2.1.4 cobalt nitrate test solution. Weigh 2.0g cobalt nitrate, diluted with water diluted to 100mL.
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