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ASTM D6367-17

(Specification)

Standard Specification for AMS (α-Methylstyrene)

Standard Specification for AMS (α-Methylstyrene)

ABSTRACT
This specification establishes the requirements for AMS (alpha-Methylstyrene). Sampled specimens shall conform to the following physical and chemical properties: minimum AMS content; maximum phenol content; maximum polymer content; inhibitor content; appearance; and color (Pt-Co units).
SCOPE
1.1 This specification covers AMS (α-Methylstyrene).  
1.2 The following applies to all 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 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, 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.

General Information

Status
Historical
Publication Date
31-May-2017
ICS
75.080 - Petroleum products in general
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.07 - Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons
Current Stage
Ref Project

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D6367 −17
Standard Specification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3160 Test Method for Phenol Content of Cumene (Isopro-
pylbenzene) or AMS (α–Methylstyrene)
1.1 This specification covers AMS (α-Methylstyrene).
D3437 Practice for Sampling and Handling Liquid Cyclic
1.2 The following applies to all limits in this specification:
Products
for purposes of determining conformance with this
D4590 Test Method for Colorimetric Determination of
specification, an observed value or a calculated value shall be
p-tert-Butylcatechol In Styrene Monomer or AMS
rounded off “to the nearest unit” in the last right-hand digit
(α–Methylstyrene) by Spectrophotometry
used in expressing the specification limit, in accordance with
D5386 Test Method for Color of Liquids Using Tristimulus
the rounding-off method of Practice E29.
Colorimetry
1.3 The values stated in SI units are to be regarded as
D6144 Test Method forAnalysis ofAMS (α-Methylstyrene)
standard. No other units of measurement are included in this
by Capillary Gas Chromatography
standard.
D7977 Test Methods for Polymer Content of AMS (α-
Methylstyrene)
1.4 Consult current OSHA regulations, suppliers’ Safety
D8005 Test Method for Color of Clear Liquids (Platinum-
Data Sheets, and local regulations for all materials used in this
Cobalt Scale)
specification.
E29 Practice for Using Significant Digits in Test Data to
1.5 This international standard was developed in accor-
Determine Conformance with Specifications
dance with internationally recognized principles on standard-
E2680 Test Method for Appearance of Clear, Transparent
ization established in the Decision on Principles for the
Liquids (Visual Inspection Procedure)
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
2.2 Other Documents:
Barriers to Trade (TBT) Committee.
OSHA Regulations 29 CFR paragraphs 1910.1000 and
3
1910.1200
2. Referenced Documents
2
3. Properties
2.1 ASTM Standards:
3.1 AMS shall conform to the requirements shown inTable
1.
1
This specification is under the jurisdiction of ASTM Committee D16 on
Aromatic, Industrial, Specialty and Related Chemicals and is the direct responsi-
4. Sampling
bility of Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10Aromatic
Hydrocarbons.
4.1 Sample the material in accordance with Practice D3437.
Current edition ap
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6367 − 16 D6367 − 17
Standard Specification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*Scope
1.1 This specification covers AMS (α-Methylstyrene).
1.2 The following applies to all 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 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, 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D3160 Test Method for Phenol Content of Cumene (Isopropylbenzene) or AMS (α–Methylstyrene)
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D4590 Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (α–Methylstyrene) by
Spectrophotometry
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D6144 Test Method for Analysis of AMS (α-Methylstyrene) by Capillary Gas Chromatography
D7977 Test Methods for Polymer Content of AMS (α-Methylstyrene)
D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)
2.2 Other Documents:
3
OSHA Regulations 29 CFR paragraphs 1910.1000 and 1910.1200
3. Properties
3.1 AMS shall conform to the requirements shown in
Table 1.
4. Sampling
4.1 Sample the material in accordance with Practice D3437.
1
This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons Aromatic, Industrial, Specialty and Related Chemicals and is the direct
responsibility of Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons.
Current edition approved July 1, 2016June 1, 2017. Published August 2016June 2017. Originally approved in 1999. Last previous edition approved in 20122016 as
D
...

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SIGNIFICANCE AND USE
5.1 Many petroleum products, and some non-petroleum materials, are used as lubricants, and the correct operation of the equipment depends upon the appropriate viscosity of the liquid being used. In addition, the viscosity of many petroleum fuels is important for the estimation of optimum storage, handling, and operational conditions. Thus, the accurate determination of viscosity is essential to many product specifications.
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5.1 The bromine number is useful as a measure of aliphatic unsaturation in petroleum samples. When used in conjunction with the calculation procedure described in Annex A2, it can be used to estimate the percentage of olefins in petroleum distillates boiling up to approximately 315 °C (600 °F).  
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SCOPE
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5.1 Predicting the viscosity of a blend of components is a common problem. Both the Wright Blending Method and the ASTM Blending Method, described in this practice, may be used to solve this problem.  
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5.3 The Wright Blending Methods are generally preferred since they have a firmer basis in theory, and are more accurate. The Wright Blending Methods require component viscosities to be known at two temperatures. The ASTM Blending Methods are mathematically simpler and may be used when viscosities are known at a single temperature.  
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SCOPE
1.1 This practice covers the procedures for calculating the estimated kinematic viscosity of a blend of two or more petroleum products, such as lubricating oil base stocks, fuel components, residual fuel oil with kerosene, crude oils, and related products, from their kinematic viscosities and blend fractions.  
1.2 This practice allows for the estimation of the fraction of each of two petroleum products needed to prepare a blend meeting a specific viscosity.  
1.3 This practice may not be applicable to other types of products, or to materials which exhibit strong non-Newtonian properties, such as viscosity index improvers, additive packages, and products containing particulates.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 Logarithms may be either common logarithms or natural logarithms, as long as the same are used consistently. This practice uses common logarithms. If natural logarithms are used, the inverse function, exp(×), must be used in place of the base 10 exponential function, 10×, used herein.  
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SCOPE
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