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GB/T 34263-2017: Hydroxypropyl methyl cellulose for industrial use
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34263-2017 | English | 219 |
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Hydroxypropyl methyl cellulose for industrial use
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GB/T 34263-2017
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Basic data | Standard ID | GB/T 34263-2017 (GB/T34263-2017) | | Description (Translated English) | Hydroxypropyl methyl cellulose for industrial use | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G17 | | Word Count Estimation | 11,152 | | Date of Issue | 2017-09-07 | | Date of Implementation | 2018-04-01 | | 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 34263-2017: Hydroxypropyl methyl cellulose 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.
Hydroxypropyl methyl cellulose for industrial use
ICS 71.080.99
G17
National Standards of People's Republic of China
Industrial hydroxypropyl methyl cellulose
Hydroxypropylmethylcelulose forindustrialuse
2017-09-07 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the China Petroleum and Chemical Industry Federation.
This standard by the National Standardization Technical Committee (SAC/TC63) centralized.
This standard was drafted by Shandong Teng New Materials Co., Ltd., Shandong Institute of product quality inspection, Shandong Chemical Industry Research Institute.
The main drafters of this standard. Teng Kun, Li Zhenfeng, Xu Shiming, Zhang Juan, Li Lin, Zhang Shuangjian, Li Changyin, Wang Ping, where Jun Lin, Pan Li Pan,
Luo Jinhuan, Jiang Ping, Han Shu Xia.
Industrial hydroxypropyl methyl cellulose
1 Scope
This standard specifies the industrial use of hydroxypropyl methyl cellulose models, requirements, test methods, inspection rules, packaging, labeling, storage and transportation.
This standard applies to refined cotton or other cellulose as raw material, alkalized and etherified industrial production of hydroxypropyl methylcellulose.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 601 chemical reagent standard titration solution preparation
GB/T 603 chemical reagent test methods used in the preparation and preparation of products
GB/T 6284 chemical products - Determination of moisture in the general method of dry weight loss method
GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 analytical laboratory water specifications and test methods
Test methods for homogeneity of concrete admixtures GB/T 8077-2012
GB/T 8170 rounded repair rules and limit values of the representation and judgment
GB/T 9722-2006 General rules for chemical reagent gas chromatography
GB/T 9724 chemical reagent pH measurement General
3 product model
Industrial hydroxypropyl methyl cellulose product model by the gel temperature, respectively, 60,65,70,75.
4 requirements
4.1 appearance
White or light yellow powder.
4.2 technical requirements
Technical indicators of industrial hydroxypropyl methyl cellulose meet the requirements of Table 1.
Table 1 technical requirements
project
index
Hydroxypropoxy content /% 7.5 ~ 12.0 4.0 ~ 7.5 23.0 ~ 32.0 4.0 ~ 12.0
Methoxy content /% 28.0 ~ 30.0 27.0 ~ 30.0 16.5 ~ 20.0 19.0 ~ 24.0
Gel temperature range (0.2% aqueous solution)/° C 58-64 62-68 68-75 70-90
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