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ASTM D5871-19

Standard Specification for Benzene for Cyclohexane Feedstock

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NORMA vydána dne 1.11.2019

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Informace o normě:

Označení normy: ASTM D5871-19
Datum vydání normy: 1.11.2019
Kód zboží: NS-975403
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Analytická chemie obecně
Organické chemikálie obecně

Anotace textu normy ASTM D5871-19 :

This specification covers benzene for cyclohexane feedstock. Different tests shall be performed in order to determine the following properties of cyclohexane feedstock: benzene content, sulfur content, thiophene content, toluene plus methylcyclohexane content, methylcyclopentane content, N-hexane content, acid wash color, appearance, color, water content, and solidification point with anhydrous basis.

Keywords:
benzene, cyclohexane feedstock, purity,, ICS Number Code 71.040.01 (Analytical chemistry in general), 71.080.01 (Organic chemicals in general)

Doplňující informace

1. Scope

1.1 This specification covers benzene for cyclohexane feedstock.

1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, 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 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 Consult current OSHA regulations supplier’s Safety Data Sheets 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

D3437-15(2022)	Standard Practice for Sampling and Handling Liquid Cyclic Products
D848-23	Standard Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
D852-20	Standard Test Method for Solidification Point of Benzene
D5386-16	Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
D4017-22	Standard Test Method for Water in Paints and Paint Materials by Karl Fischer Method
D7011-15(2019)	Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography and Sulfur Selective Detection
D7183-23	Standard Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
D7375-08	Standard Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl Fischer Titration (Withdrawn 2017)
D7504-23	Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
D8005-23	Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D5713-23	Standard Test Method for Analysis of High Purity Benzene for Cyclohexane Feedstock by Capillary Gas Chromatography
D6875-23	Standard Test Method for Solidification Point of Industrial Organic Chemicals by Thermistor
D4492-10	Standard Test Method for Analysis of Benzene by Gas Chromatography (Withdrawn 2018)
D4735-19	Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography
D1685-05	Standard Test Method for Traces of Thiophene in Benzene by Spectrophotometry (Withdrawn 2009)

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