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GB/T 28734-2012 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28734-2012: Determination of carbon and hydrogen in solid biofuels
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28734-2012	229	Add to Cart	3 days	Determination of carbon and hydrogen in solid biofuels	Valid

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Basic data

Standard ID: GB/T 28734-2012 (GB/T28734-2012)
Description (Translated English): Determination of carbon and hydrogen in solid biofuels
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D21
Classification of International Standard: 75.160.10
Word Count Estimation: 10,143
Quoted Standard: GB/T 21923
Regulation (derived from): National Standards Bulletin No. 28 of 2012
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 the solid biomass fuel hydrocarbon determination (three furnace) the principle of the method, reagents and materials, equipment, testing procedures, results calculation and precision of the method. This standard applies to all kind

GB/T 28734-2012: Determination of carbon and hydrogen in solid biofuels

---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.
Determination of carbon and hydrogen in solid biofuels ICS 75.160.10 D21 National Standards of People's Republic of China Determination of solid biomass fuels Hydrocarbon Issued on. 2012-11-05 2013-06-01 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 Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. CCRI coal analysis laboratory. The main drafters of this standard. Sun Gang, Li Ting. Determination of solid biomass fuels Hydrocarbon

1 Scope

This standard specifies the method of solid biomass fuels Hydrocarbon measurement (three sections furnace) principle, reagents and materials, equipment, test step Suddenly, the results of calculation and precision of the method. This standard applies to all kinds of solid biomass fuel.

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 21923 Test code for solid biomass fuels

3 PRINCIPLE OF THE METHOD

Some air-dried solid biomass fuel combustion in the sample amount of oxygen flow to produce water and carbon dioxide, respectively, and two water-absorbing agent Carbon dioxide absorbed by the absorbent, calculate the content of biomass fuel in accordance with the increment of carbon and hydrogen absorbent quality. Sulfur and chlorine interference carbon determination Elimination of lead chromate and silver by volume. Nitrogen determination to eliminate the interference of carbon granular manganese dioxide.

4 Reagents and materials

Unless otherwise indicated, used in the analysis confirmed analytically pure reagents and distilled or deionized water or equivalent purity. 4.1 tungsten trioxide. 4.2 Alkali Asbestos. pure chemistry, particle size 1mm ~ 2mm; or soda-lime. pure chemistry, particle size 0.5mm ~ 2mm. 4.3 anhydrous calcium chloride. size 2mm ~ 5mm; or anhydrous magnesium perchlorate. size 1mm ~ 3mm. 4.4 Coal Standards. The National Metrology authorities for approval at the national level or two certified reference materials. 4.5 copper oxide. linear, about 5mm, diameter of about 1mm. 4.6 Lead Chromate. Preparation of a particle size of 1mm ~ 4mm. Method. A commercially available lead chromate water into a paste, after extrusion, at 600 ℃ burning 2h, cooled standby. Granular manganese dioxide 4.7. Preparation of a particle size of 0.5mm ~ 2mm. Commercially available manganese dioxide after the water level in intraday modulated at 150 ℃ drying 2h ~ 3h, cooled, carefully crushed and sieved. Method spare. 4.8 silver Volume. wire diameter of about 0.25mm. 4.9 copper mesh. wire diameter of about 0.5mm, aperture 0.15mm. 4.10 Oxygen. purity 99.5%, of hydrogen. 4.11 vacuum grease. Sulfate 4.12. density 1.84g/cm3. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28734-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28734-2012_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 28734-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28734-2012_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.