HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

GB/T 268-1987 English PDF

US$209.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 268-1987: Petroleum products. Determination of carbon residue. Conradson method
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 268-1987English209 Add to Cart 3 days [Need to translate] Petroleum products. Determination of carbon residue. Conradson method   GB/T 268-1987

PDF similar to GB/T 268-1987


Standard similar to GB/T 268-1987

GB/T 261   GB/T 259   GB/T 265   GB/T 260   GB/T 262   

Basic data

Standard ID GB/T 268-1987 (GB/T268-1987)
Description (Translated English) Petroleum products. Determination of carbon residue. Conradson method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard E30
Classification of International Standard 75.08
Word Count Estimation 6,673
Date of Issue 7/3/1987
Date of Implementation 5/1/1988
Older Standard (superseded by this standard) GB 263-1977; GB 268-1977
Adopted Standard ISO 6615-1983, NEQ
Issuing agency(ies) National Bureau of Standards
Summary This standard applies to the determination of the amount of carbon residue of petroleum products after evaporation and pyrolysis left to provide petroleum coke products relative tendency indicators. This standard generally used easily in the atmospheric distillation partially decomposed, relatively less volatile petroleum products. Petroleum products containing raw ash components can (with GB 508 "Petroleum products - Determination of ash" determination) the amount of the size of the result will be high carbon residue value, the error depends on the ash has been generated.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 268-1987_English be delivered?

Answer: Upon your order, we will start to translate GB/T 268-1987_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 268-1987_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 268-1987_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 [email protected]. 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.