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ASTM D5309-97

(Specification)

Standard Specification for Cyclohexane 999

Standard Specification for Cyclohexane 999

SCOPE
1.1 This specification covers a grade of cyclohexane identified as "cyclohexane 999."
1.2 Consult current OSHA regulations and supplier's Material Safety Data Sheets for all materials used in this specification.
1.3 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.

General Information

Status
Historical
Publication Date
09-Sep-1997
ICS
71.080.10 - Aliphatic hydrocarbons
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.01 - Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives
Current Stage
Ref Project

Relations

Replaced By
ASTM D5309-02 - Standard Specification for Cyclohexane 999
Effective Date
10-Jun-2002
Referred By
ASTM D2007-19 - Standard Test Method for Characteristic Groups in Rubber Extender and Processing Oils and Other Petroleum-Derived Oils by the Clay-Gel Absorption Chromatographic Method
Effective Date
10-Sep-1997

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ASTM D5309-97 - Standard Specification for Cyclohexane 999ASTM D5309-97 - Standard Specification for Cyclohexane 999
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ASTM D5309-97 - Standard Specification for Cyclohexane 999
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 5309 – 97
Standard Specification for
Cyclohexane 999
This standard is issued under the fixed designation D 5309; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope Hydrogenolysis and Rateometric Colorimetry
D 5386 Test Method for Color of Liquids Using Tristimulus
1.1 This specification covers a grade of cyclohexane iden-
Colorimetry
tified as “cyclohexane 999.”
E 29 Practice for Using Significant Digits in Test Data to
1.2 The following applies to all specified limits in this
Determine Conformance with Specifications
standard: for purposes of determining conformance with this
2.2 Other Documents:
standard, an observed value or a calculated value shall be
OSHA Regulations, 29CFR, Paragraphs 1910.1000 and
rounded off “to the nearest unit” in the last right-hand digit
1910.1200
used in expressing the specification limit, in accordance with
the rounding-off method of Practice E 29.
1.3 Consult current OSHA regulations, supplier’s Material
3. Properties
Safety Data Sheets, and local regulations for all materials used
3.1 Cyclohexane 999 shall conform to the following re-
in this specification.
quirements:
2. Referenced Documents
ASTM Test
Property Specification Method
2.1 ASTM Standards:
D 850 Test Method for Distillation of Industrial Aromatic
Purity, min, weight % 99.90 D 3054
Benzene, max, mg/kg 50 D 3054
Hydrocarbons and Related Materials
n-Hexane, max, mg/kg 200 D 3054
D 1209 Test Method for Color of Clear Liquids (Platinum-
Methylcyclohexane, max, mg/kg 200 D 3054
Cobalt Scale) Methylcyclopentane, max, mg/kg 150 D 3054
Sulfur, max, mg/kg 1 D 4045
D 3054 Test Method for Purity and Benzene Content of
A
Appearance —
Cyclohexane by Gas Chromatography
Color, max, Platinum/Cobalt scale 10 D 1209 or D 5386
D 3437 Practice for Sampling and Handling Liquid Cyclic Distillation range, 1.0 D 850
including the temperature 80.7°C, at
Products
101.3 KPa (760 mmHg) pressure,
D 4045 Test Method for Sulfur in Petroleum Pr
...

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5.1 This test method is suitable for setting specifications on the materials referenced in Table 1 and for use as an internal quality control tool where cyclohexane is produced or is used in a manufacturing process. It may also be used in development or research work involving cyclohexane.  
5.2 This test method is useful in determining the purity of cyclohexane with normal impurities present. If extremely high boiling or unusual impurities are present in the cyclohexane, this test method would not necessarily detect them and the purity calculation would be erroneous.
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1.1 This test method covers the determination of the purity of cyclohexane by gas chromatography.  
1.2 This test method is applicable to the measurement of impurities in Table 1. This test method is applicable to samples with concentrations to 400 mg/kg, but may be applicable to a wider range. The limit of detection (LOD) is 1 mg/kg and the limit of quantitation (LOQ) is 3 mg/kg for benzene.
Note 1: The LOD and LOQ were calculated from the ILS data for benzene.  
1.3 The following applies for the purposes of determining the conformance of the test results using this test method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (Effective Carbon Number)

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5.1 This test method is suitable for setting specifications on the materials referenced in Table 1 and for use as an internal quality control tool where cyclohexane is produced or is used in a manufacturing process. It may also be used in development or research work involving cyclohexane.  
5.2 This test method is useful in determining the purity of cyclohexane with normal impurities present. If extremely high boiling or unusual impurities are present in the cyclohexane, this test method would not necessarily detect them and the purity calculation would be erroneous.
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1.1 This test method covers the determination of the purity of cyclohexane by gas chromatography.  
1.2 This test method has been found applicable to the measurement of impurities such as those found in Table 1, which are impurities that may be found in cyclohexane. The impurities can be analyzed over a range with an upper limit of 400 mg/kg by this method, but may be applicable to a wider range. The limit of detection (LOD) is 0.7 mg/kg and the limit of quantitation (LOQ) is 2.3 mg/kg.
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This specification covers a grade of cyclohexane identified as "cyclohexane 999." The material shall conform to the required purity, benzene content, n-hexane content, methylcyclohexane content, methylcyclopentane content, sulfur content, appearance, color, and distillation range.
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1.1 This specification covers a grade of cyclohexane identified as “cyclohexane 999.”  
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Standard Test Method for Measuring n-Heptane Induced Phase Separation of Asphaltene-Containing Heavy Fuel Oils as Separability Number by an Optical Scanning Device

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5.1 This procedure describes a rapid and sensitive method for estimating the stability reserve of an oil. The stability reserve is estimated in terms of a separability number, where a low value of the separability number indicates that there is a stability reserve within the oil. When the separability number is between 0 to 5, the oil can be considered to have a high stability reserve and asphaltenes are not likely to flocculate. If the separability number is between 5 to 10, the stability reserve in the oil will be much lower. However, asphaltenes are, in this case, not likely to flocculate as long as the oil is not exposed to any worse conditions, such as storing, aging, and heating. If the separability number is above 10, the stability reserve of the oil is very low and asphaltenes will easily flocculate, or have already started to flocculate.  
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4.1 This guide is intended to provide information on the likely composition of propylene concentrates and on probable ways to test them. Since there are currently no ASTM test methods for determining all components of interest, this guide provides information on other potentially available test methods.  
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Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (Effective Carbon Number)

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5.1 This test method is suitable for setting specifications on the materials referenced in Table 1 and for use as an internal quality control tool where cyclohexane is produced or is used in a manufacturing process. It may also be used in development or research work involving cyclohexane.  
5.2 This test method is useful in determining the purity of cyclohexane with normal impurities present. If extremely high boiling or unusual impurities are present in the cyclohexane, this test method would not necessarily detect them and the purity calculation would be erroneous.
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4.1 The trace hydrocarbon compounds listed can have an effect in the commercial use of butadiene. This test method is suitable for use in process quality control and in setting specifications.
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1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  For specific warning statements, see 6.1 and 9.3.  
1.3.1 The user is advised to obtain LPG safety training for the safe operation of this test method procedure and related activities.  
1.4 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.

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Standard Test Method for Determination of Hydrocarbon Impurities in High Purity Propylene by Gas Chromatography

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5.1 High-purity propylene is required as a feedstock for various manufacturing processes, and the presence of trace amounts of certain hydrocarbon impurities may have adverse effects on yield or catalyst life. This test method is suitable for use as a benchmark in setting commercial specifications, for use as an internal quality control tool, and for use in development or research work.
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1.1 This test method is used for the determination of hydrocarbon impurities in propylene (propene) material of 97 % by mass or greater purity (concentrates). These impurities are determined in the concentration range of 0.35 mg/kg to 8575 mg/kg and includes the following components: methane, ethane, ethylene, propane, acetylene, isobutane, propadiene, normal butane, trans-2-butene, butene-1, isobutylene, cis-2-butene, isopentane, methylacetylene, normal pentane, and 1,3-butadiene.
Note 1: Optionally, the analysis may include the determination of pentenes/hexanes and heavier components, see 6.3.  
1.2 This test method does not determine non-hydrocarbon impurities, and additional tests may be necessary to fully characterize the propylene sample. However, for the purposes of this test, the purity of propylene is determined as the difference between the total of the determined analytes and 100 % (by difference).  
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1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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1.5.1 The user is advised to obtain LPG safety training for the safe operation of this test method procedure and related activities. The eLearning training course “Liquefied Petroleum Gases Sampling Safety” is available on the ASTM.org website.  
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