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Doplňujúce informácie

ASTM D7125-23

Standard Specification for Cumene (Isopropylbenzene) Manufactured Via a Zeolite Process

NORMA vydaná dňa 1.4.2023

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Dostupnosť	SKLADOM
Cena	59.10 € bez DPH
59.10 €

Informácie o norme:

Označenie normy: ASTM D7125-23
Dátum vydania normy: 1.4.2023
Kód tovaru: NS-1141595
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Kategórie - podobné normy:

Aromatické uhlovodíky

Anotácia textu normy ASTM D7125-23 :

This specification covers cumene (isopropylbenzene) manufactured via a zeolite catalyst process. Cumene shall conform to the following requirements: purity weight percent, alpha-methylstrene, benzene, cumene hydroperoxide, diisopropylbenzenes, ethylbenzene, i-butylbenzene, n-butylbenzene, s- butylbenzene, t- butylbenzene, phenols, n-propylbenzene, sulfur, toluene, total butylbenzenes, total cymenes, total non-aromatics, total GC unknowns, bromine index, appearance, and color.

Keywords:

cumene, isopropylbenzene, 2-phenylpropane,, ICS Number Code 71.080.15 (Aromatic hydrocarbons)

Doplňujúce informácie

1. Scope

1.1?This specification covers cumene (isopropylbenzene) manufactured using a zeolite catalyst process.

1.2?The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.

1.3?UnitsThe values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4?Consult current OSHA Regulations and Suppliers Safety Data Sheets, and local regulations for all materials used in this specification.

1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D7359-23	Standard Test Method for Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by Oxidative Pyrohydrolytic Combustion followed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)
E298-17a	Standard Test Methods for Assay of Organic Peroxides (Includes all amendments and changes 2/22/2019).
E299-17a	Standard Test Method for Trace Amounts of Peroxides In Organic Solvents (Includes all amendments and changes 2/22/2019).
D1492-21	Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration
D2710-20	Standard Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
D8005-23	Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D7183-23	Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
D3160-20a	Standard Test Method for Phenol Content of Cumene (Isopropylbenzene) or AMS (alfa-Methylstyrene) (Includes all amendments and changes 10/12/2020).
D5386-16	Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
D7057-23	Standard Test Method for Analysis of Isopropylbenzene (Cumene) by Gas Chromatography (External Standard)
D3437-15(2022)	Standard Practice for Sampling and Handling Liquid Cyclic Products
D3760-18	Standard Test Method for Analysis of Isopropylbenzene (Cumene) by Gas Chromatography (Withdrawn 2022)

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