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Standard Specification for Cumene (Isopropylbenzene) Manufactured Via a Zeolite Process
Přeložit název
NORMA vydána dne 1.4.2023
Označení normy: ASTM D7125-23
Datum vydání normy: 1.4.2023
Kód zboží: NS-1141595
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
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)
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. |
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2. Referenced Documents | ||||||||||||||||||||||||||
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Poslední aktualizace: 08.11.2024 (Počet položek: 2 210 012)
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