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ASTM D6367-16

(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.

General Information

Status
Historical
Publication Date
30-Jun-2016
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

Relations

Replaces
ASTM D6367-12 - Standard Specification for AMS (α-Methylstyrene)
Effective Date
01-Jul-2016
Referred By
ASTM D7977-23 - Standard Test Methods for Polymer Content of AMS (α-Methylstyrene)
Effective Date
01-Jul-2016

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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 −16
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* D4590 Test Method for Colorimetric Determination of
p-tert-Butylcatechol In Styrene Monomer or AMS
1.1 This specification covers AMS (α-Methylstyrene).
(α–Methylstyrene) by Spectrophotometry
1.2 The following applies to all limits in this specification:
D5386 Test Method for Color of Liquids Using Tristimulus
for purposes of determining conformance with this
Colorimetry
specification, an observed value or a calculated value shall be
D6144 Test Method forAnalysis ofAMS (α-Methylstyrene)
rounded off “to the nearest unit” in the last right-hand digit
by Capillary Gas Chromatography
used in expressing the specification limit, in accordance with
D7977 Test Methods for Polymer Content of AMS (α-
the rounding-off method of Practice E29.
Methylstyrene)
D8005 Test Method for Color of Clear Liquids (Platinum-
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this Cobalt Scale)
E29 Practice for Using Significant Digits in Test Data to
standard.
Determine Conformance with Specifications
1.4 Consult current OSHA regulations, suppliers’ Safety
2.2 Other Documents:
Data Sheets, and local regulations for all materials used in this
OSHA Regulations 29 CFR paragraphs 1910.1000 and
specification.
3
1910.1200
2. Referenced Documents
2
3. Properties
2.1 ASTM Standards:
D3160 Test Method for Phenol Content of Cumene (Isopro- 3.1 AMS shall conform to the requirements shown in
pylbenzene) or AMS (α–Methylstyrene)
Table 1.
D3437 Practice for Sampling and Handling Liquid Cyclic
Products 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 and Related Chemicals and is the direct responsibility of
5. Keywords
Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic
5.1 α-Methylstyrene; AMS; catechol; TBC; tertiary-butyl
Hydrocarbons.
Current edition approved July 1, 2016. Published August 2016. Originally
catechol
approved in 1999. Last previous edition approved in 2012 as D6367 – 12. DOI:
10.1520/D6367-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Avail
...

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 − 12 D6367 − 16
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*
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’ Material suppliers’ Safety Data Sheets, and local regulations for all materials
used in this specification.
2. Referenced Documents
2
2.1 ASTM Standards:
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D2121 Test Methods for Polymer Content of Styrene Monomer
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
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.
5. Keywords
5.1 α-Methylstyrene; AMS; catechol; TBC; tertiary-butyl catechol
1
This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee
D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons.
Current edition approved Dec. 1, 2012July 1, 2016. Published December 2012August 2016. Originally approved in 1999. Last previous edition approved in 20082012 as
D6367 – 04 (2008).D6367 – 12. DOI: 10.1520/D6367-12.10.1520/D6367-16.
2
For reference
...

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5.1 A standard procedure is necessary to establish property changes for spilled oils or petroleum products at different oil weathering stages.  
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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 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.  
5.2 The inverse problem, predicating the required blend fractions of components to meet a specified viscosity at a given temperature may also be solved using either the Inverse Wright Blending Method or the Inverse ASTM Blending Method.  
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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