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GB/T 31292-2014 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31292-2014: Carbon fibre -- Determination of carbon content -- Combustion absorption method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31292-2014	209	Add to Cart	3 days	Carbon fibre -- Determination of carbon content -- Combustion absorption method	Valid

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Basic data

Standard ID: GB/T 31292-2014 (GB/T31292-2014)
Description (Translated English): Carbon fibre -- Determination of carbon content -- Combustion absorption method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q36
Classification of International Standard: 59.100.20
Word Count Estimation: 9,992
Date of Issue: 12/5/2014
Date of Implementation: 10/1/2015
Quoted Standard: GB/T 14599; GB/T 29761
Regulation (derived from): Announcement of Newly Approved National Standards 2014 No. 27
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
Summary: This Standard specifies combustion method for the determination of carbon content of carbon fiber absorption. This Standard is applicable to carbon fiber tow, filament, staple fiber, woven, knitted and knitted fabrics such as carbon fiber and products.

GB/T 31292-2014: Carbon fibre -- Determination of carbon content -- Combustion absorption method

---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.
Carbon fibre. Determination of carbon content. Combustion absorption method ICS 59.100.20 Q36 National Standards of People's Republic of China Determination of carbon fiber-carbon content - Combustion absorption method Issued on. 2014-12-05 2015-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Building Materials Federation. This standard by the National Standardization Technical Committee fiberglass (SAC/TC245) centralized. This standard was drafted. Nanjing Fiberglass Research and Design Institute Co., Ltd., Guangzhou Blonde carbon fiber Restoration Materials Development Co., Ltd., the National Fiberglass Product Quality Supervision and Inspection Center. Participated in the drafting of this standard. Fiber Co., Ltd. Weihai expand. The main drafters of this standard. Li Yong, Wang Yumei, Chen Shang, Yong, Zhou Qin, Wang Ling, Liu Bing, Li Zhipeng. Determination of carbon fiber-carbon content - Combustion absorption method

1 Scope

This standard specifies the determination of the carbon content of the carbon fiber combustion absorption spectrometry method. This standard applies to carbon fiber tow, filaments, staple fibers, woven, knitted and knitted fabrics and other carbon fiber and products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 14599 oxygen, ultra-high purity oxygen and oxygen Determination of GB/T 29761 Carbon fiber sizing content Principle 3 Carbon combustion in oxygen to form carbon dioxide, the carbon dioxide produced by absorbing and calculated by the incremental mass of carbon absorber fraction.

4 Sample Preparation

4.1 Sample Pretreatment Carbon fiber should be GB/T 29761 removing carbon fiber sizing. Washed with distilled water if necessary after 105 ℃ ~ 110 ℃ Dried, placed in a desiccator to cool to room temperature before use. 4.2 Sample crush The samples were cut into small pieces less than 0.5mm or agate mortar milled to 0.5mm or less, less than 1g, mix. The crushed sample Sample in the weighing bottle, dried to constant weight at 105 ℃ ~ 110 ℃ oven, and placed in a desiccator.

5 Reagents and materials

5.1 lead chromate, AR, will lead chromate beaker with distilled water into a paste, into the oven, 80 ℃ maintained 0.5h, having a diameter of 1cm sphere, placed in a muffle furnace at 600 ℃ burning 1h, taken out and cooled. 5.2 linear copper oxide, AR, about 5mm. 5.3 silver volume, high purity, wire diameter of about 0.2mm, its volume growth of about 30mm, 22mm diameter solid cylinder. 5.4 copper volume, high purity, the purpose of taking 125 copper mesh, which is the volume growth of about 30mm, about 22mm in diameter solid cylinder. 5.5 alkali asbestos, AR. 5.6 particulate manganese dioxide, AR, take particle size 0.5mm ~ 2mm, dried at 150 ℃ ± 3 ℃ 2h ~ 3h. 5.7 tungsten trioxide, AR. 5.8 soda lime, AR, before use at 105 ℃ ~ 110 ℃ dried at not less than 1h. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31292-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31292-2014_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 31292-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31292-2014_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.