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GB/T 35923-2018 English PDF

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US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 35923-2018: Optical functional film -- Cellulose triacetate (TAC) film -- Determination of plasticizer content
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35923-2018	119	Add to Cart	3 days	Optical functional film -- Cellulose triacetate (TAC) film -- Determination of plasticizer content	Valid

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Basic data

Standard ID: GB/T 35923-2018 (GB/T35923-2018)
Description (Translated English): Optical functional film -- Cellulose triacetate (TAC) film -- Determination of plasticizer content
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G15
Classification of International Standard: 71.080.99
Word Count Estimation: 6,641
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 35923-2018: Optical functional film -- Cellulose triacetate (TAC) film -- Determination of plasticizer content

---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.
Optical functional film - Cellulose triacetate (TAC) film - Determination of plasticizer content ICS 71.080.99 G15 National Standards of People's Republic of China Optical functional film triacetate cellulose (TAC) film Determination of plasticizer content Opticalfunctionalfilm-Celulosetriacetate (TAC) film- 2018-02-06 released 2018-09-01 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 Optical Thin Film Standardization Technical Committee (SAC/TC431) centralized. This standard was drafted. China Lucky Group Co., Ltd., Baoding Exit Inspection and Quarantine. The main drafters of this standard. Liu Xiaohui, Liu Qian, Wang Xiangyan, Liu Ping, Zang Liheng, Jiang Ning, Faye Wong, Liu will double, Baiyin Liang. Optical functional film triacetate cellulose (TAC) film Determination of plasticizer content

1 Scope

This standard specifies the triacetate cellulose (TAC) film plasticizer (dibutyl phthalate DBP, butyl benzyl phthalate That is, BBP, dioctyl phthalate DEHP, di-n-octyl phthalate or DNOP, diisononyl phthalate DINP, adjacent Diisodecyl phthalate, ie DIDP, dimethoxyethyl phthalate, ie DMEP, 2-biphenyldiphenylphosphate, ie BDP and phosphoric acid Triphenyl ester (TPP) content by gas chromatography - mass spectrometry method. This standard applies to triacetate cellulose (TAC) film plasticizer (DBP, BBP, DEHP, DNOP, DINP, DIDP, DMEP, BDP and TPP) content of the test.

2 principle

TAC membrane was dissolved with dichloromethane, n-hexane was added to precipitate the polymer therein, and after filtration, the plasticizer was left in the filtrate, and the gas phase color Spectrum - mass spectrometry detection, external standard method.

3 Reagents and materials

3.1 dichloromethane. pure chromatography. 3.2 n-Hexane. Chromatography pure. 3.3 Standards. DBP, BBP, DEHP, DNOP, DINP, DIDP, DMEP, BDP, TPP standards. purity not less than 99.5%. 3.4 acetone. pure chromatography. 3.5 test gas. helium, purity ≥ 99.999%.

4 instruments and equipment

4.1 gas chromatography - mass spectrometer. 4.2 oscillator. 4.3 analytical balance (accuracy of 0.1mg).

5 analysis steps

5.1 Vessel preparation Glassware used in the experiment, after acetone rinse, ventilated to dry reserve. 5.2 Preparation of standard stock solution Weigh accurately the right amount of standard (3.3), respectively, with methylene chloride (3.1) dissolved and transferred to 50mL volumetric flask, constant volume, shake, too ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 35923-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 35923-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 35923-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 35923-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.