GB/T 33396-2016Optical functional films - Cellulose triacetate(TAC) film - Determination of halogen content (English PDF)
光学功能薄膜 三醋酸纤维素酯(TAC)膜 卤素含量测定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2016
Implementation date
July 1, 2017
Scope
GB/T 33396-2016 is the English-translated version of 光学功能薄膜 三醋酸纤维素酯(TAC)膜 卤素含量测定方法.
GB/T 33396-2016 is the Chinese standard "Optical functional films - Cellulose triacetate(TAC) film - Determination of halogen content". Its scope clause reads: 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.
Its clauses include normative reference documents; principle; instruments and equipment; reagent.
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Document preview — GB/T 33396-2016
National Standard of the People's Republic of China
- ICS
- 71.080.99
- Classification
- G 15
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 principle
- 4 instruments and equipment
- 5 reagent
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%).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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