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Doplňující informace

ASTM D4734-20

Standard Specification for Refined Benzene-545

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NORMA vydána dne 1.4.2020

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Provedení	PDF - okamžité stažení - 1 302.00 Kč PDF + redline - ihned - 1 562.40 Kč Tištěné - 1 302.00 Kč Tisk + redline - 1 562.40 Kč
Dostupnost	SKLADEM
Cena	1 302.00 Kč bez DPH
1 302.00 Kč

Informace o normě:

Označení normy: ASTM D4734-20
Datum vydání normy: 1.4.2020
Kód zboží: NS-991724
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM D4734-20 :

This specification covers benzene-545. Tests shall be performed to determine the property requirements of benzene-545 in accordance to the following test methods: benzene weight percentage; sulfur mass; thiophene mass; toluene mass; nonaromatic hydrocarbons weight percentage; nitrogen mass; acid wash color; bromine index, water, appearance, and solidification point.

Keywords:
benzene, benzene-545, purity,, ICS Number Code 87.060.30 (Solvents)

Doplňující informace

1. Scope

1.1 This specification covers benzene-545.

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 in Practice E29.

1.3 The 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, supplier’s 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

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)
D5386-16	Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
D852-20	Standard Test Method for Solidification Point of Benzene
D1492-21	Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration
D1685-05	Standard Test Method for Traces of Thiophene in Benzene by Spectrophotometry (Withdrawn 2009)
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
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
D7375-08	Standard Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl Fischer Titration (Withdrawn 2017)
D5776-21	Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Electrometric Titration
D6304-20	Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration
D6875-23	Standard Test Method for Solidification Point of Industrial Organic Chemicals by Thermistor
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
D7184-20	Standard Test Method for Ultra Low Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced Pressure Chemiluminescence Detection
D7360-16	Standard Test Method for Analysis of Benzene by Gas Chromatography with External Calibration (Withdrawn 2023)
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E1064-24	Standard Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration

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