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Doplňujúce informácie

ASTM D2359-19

Standard Specification for Refined Benzene-535

NORMA vydaná dňa 1.11.2019

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Prevedenie	PDF - okamžité stiahnutie - 51.30 € PDF + redline - ihneď - 61.60 € Tlačené - 51.30 € Tlač + redline - 61.60 €
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51.30 €

Informácie o norme:

Označenie normy: ASTM D2359-19
Dátum vydania normy: 1.11.2019
Kód tovaru: NS-975394
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM D2359-19 :

This specification covers a grade of benzene known as refined benzene-535. Different tests shall be performed in order to determine the following properties of refined benzene-535: minimum purity, maximum toluene content, maximum sulfur content, maximum thiophene content, maximum nonaromatic hydrocarbon content, maximum nitrogen content, water content, maximum acid wash color, appearance, maximum color, 1,4 dioxane content, and minimum solidification point with anhydrous basis.

Keywords:
benzene, benzene-535,, ICS Number Code 87.060.30 (Solvents)

Doplňujúce informácie

1. Scope

1.1 This specification covers a grade of benzene known as refined benzene-535.

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 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

D7375-08	Standard Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl Fischer Titration (Withdrawn 2017)
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
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)
D7360-16	Standard Test Method for Analysis of Benzene by Gas Chromatography with External Calibration (Withdrawn 2023)
D848-23	Standard Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
D852-20	Standard Test Method for Solidification Point of Benzene
D1209-05(2019)	Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D4735-19	Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography
D5808-23	Standard Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by Microcoulometry
D5386-16	Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
D5194-24	Standard Test Method for Trace Chloride in Liquid Aromatic Hydrocarbons
D7536-20	Standard Test Method for Chlorine in Aromatics by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry
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
D7457-12	Standard Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by Microcoulometry (Withdrawn 2019)
D7504-23	Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
D6875-23	Standard Test Method for Solidification Point of Industrial Organic Chemicals by Thermistor
D6304-20	Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer 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
D4492-10	Standard Test Method for Analysis of Benzene by Gas Chromatography (Withdrawn 2018)

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