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GB/T 33396-2016: Optical functional films -- Cellulose triacetate (TAC) film -- Determination of halogen content
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| GB/T 33396-2016 | English | 119 |
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Optical functional films -- Cellulose triacetate (TAC) film -- Determination of halogen content
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GB/T 33396-2016
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Basic data | Standard ID | GB/T 33396-2016 (GB/T33396-2016) | | Description (Translated English) | Optical functional films -- Cellulose triacetate (TAC) film -- Determination of halogen content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G15 | | Classification of International Standard | 71.080.99 | | Word Count Estimation | 6,693 | | Date of Issue | 2016-12-30 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | National Standard Notice No.27 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 33396-2016: Optical functional films -- Cellulose triacetate (TAC) film -- Determination of halogen content
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Optical energy films - Cellulose triacetate (TAC) film - Determination of halogen content
ICS 71.080.99
G15
National Standards of People's Republic of China
Optical function film cellulose triacetate
Method for determination of halogen content in ester (TAC) membranes
Opticalfunctionalfilms-Celulosetriacetate (TAC) film-
Determination ofhalogencontent
2016-12-30 release
2017-07-01 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 Optical Functional Film Materials Standardization Technical Committee (SAC/TC431) centralized.
The drafting of this standard. China Lucky Group Co., Ltd., Baoding Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this standard. Liu Xiaohui, Yan Hong, Du Yanfei, Wang Xiangyan, Liu Ping, Liu Qian, Wang Fei, Jiang Ning, Cao Dawei.
Optical function film cellulose triacetate
Method for determination of halogen content in ester (TAC) membranes
1 Scope
This standard specifies the content of halogen (fluorine, chlorine, bromine, iodine) in the cellulose triacetate (TAC) film by oxygen bomb combustion-ion chromatography
method.
This standard is applicable to the determination of halogen (fluorine, chlorine, bromine, iodine) in cellulose triacetate (TAC) film and can also be used for other films
Determination of halogen (fluorine, chlorine, bromine and iodine) in the material.
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.
GB/T 6682 Analytical laboratory water specifications and test methods
3 principle
Triacetate cellulose ester film samples are contained in a closed system (Oxygen Bomb Burner) containing high pressure oxygen, which is oxidized by combustion to convert halogen
Compounds were converted to fluoride, chloride, bromide, iodide, and absorbed by the absorption solution, and the standard solution of halogen ion chromatography
Compare quantitatively.
4 instruments and equipment
4.1 Ion chromatograph.
4.2 Oxygen bomb burner.
4.3 Oxygenator.
4.4 Ignition controller.
4.5 ignition wire.
4.6 balance (sense of 0.0001g).
4.7 syringe. 10.0mL.
4.8 capacity bottle. 50mL.
4.9 Microporous membrane. pore size 0.22μm, aqueous phase.
5 reagent
The reagents and water used in this standard, when not specified, refer to the pure reagent and the primary water specified in GB/T 6682.
5.1 Potassium hydroxide (KOH).
5.2 Vitamin C (C6H8O6).
5.3 high purity oxygen. (purity ≥ 99.999%).
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