Volume 8, Issue 28 (3-2023)
3 2023, 8(28): 1-17 |
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Hosseini F, Hosseini N. Evaluation and comparison of sampling methods to determine the standard of carbon black (soot) according to the national standards of Iran in packaged and bulk shipments. 3 2023; 8 (28) :1-17
URL: http://jnraims.ir/article-1-301-en.html
URL: http://jnraims.ir/article-1-301-en.html
Master of Physics - Solid State, Islamic Azad University, Pishva branch, Varamin, Iran.
Abstract: (182 Views)
Carbon black (soot) is an engineered material consisting mainly of elemental carbon and produced by incomplete combustion or thermal decomposition of gaseous or liquid hydrocarbons under controlled conditions. The appearance looks like seeds or black powders. Carbon black is also among the top 50 industrial chemicals produced worldwide, based on annual tonnage. Current worldwide production is about 18 billion pounds per year (8.1 million tons). Carbon black or black soot is a black substance that is composed of about 97 to 99 percent of carbon and other components include hydrogen and oxygen. The purpose of this article is to evaluate and compare sampling methods to determine the standard of carbon black (soot). It is according to the national standards of Iran in packaged and bulk shipments. The research method is library-based and practical in terms of purpose. The results show the difference between the sampling methods of carbon black cargoes packed in bags, cartons, bulky flexible containers, jumbo bags or any other packaging with the sampling method of bulk carbon black cargoes not packed in wagons. There are three-compartment cars and bunkers.
Type of Study: Research |
Subject:
General
Received: 2023/02/16 | Accepted: 2023/03/1 | Published: 2023/03/1
Received: 2023/02/16 | Accepted: 2023/03/1 | Published: 2023/03/1
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