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Normas ASTM – AENOR
ASTM D7185-16

ASTM D7185-16

Standard Specification for Low Toluene Low Dioxane (LTLD) Benzene

Fecha:
2017-07-03 /Historical
Superseeded by:
Abstract:

This specification covers the requirements for a grade of benzene known as low toluene low dioxane (LTLD) benzene. Sampled materials shall meet specified values of the following physical and chemical properties: purity; toluene content; sulfur content; thiophene content; nonaromatic hydrocarbons content; nitrogen content; acid wash color; color in Pt-Co scale; 1,4 dioxane content; anhydrous basis solidification point; water content; and total chlorides.

Scope:

1.1 This specification covers a grade of benzene known as Low Toluene Low Dioxane (LTLD) Benzene.

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, and local regulations for all materials used in this specification.

Keywords:
benzene; dioxane; LTLD; toluene;
45,14
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