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    ASTM D2650 - 10(2015)

    Standard Test Method for Chemical Composition of Gases by Mass Spectrometry

    Active Standard ASTM D2650 | Developed by Subcommittee: D02.04.0M

    Book of Standards Volume: 05.01

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    Significance and Use

    5.1 A knowledge of the composition of refinery gases is useful in diagnosing the source of plant upsets, in determining the suitability of certain gas streams for use as fuel, or as feedstocks for polymerization and alkylation, and for monitoring the quality of commercial gases.

    1. Scope

    1.1 This test method covers the quantitative analysis of gases containing specific combinations of the following components: hydrogen; hydrocarbons with up to six carbon atoms per molecule; carbon monoxide; carbon dioxide; mercaptans with one or two carbon atoms per molecule; hydrogen sulfide; and air (nitrogen, oxygen, and argon). This test method cannot be used for the determination of constituents present in amounts less than 0.1 mole %. Dimethylbutanes are assumed absent unless specifically sought.

    Note 1: Although experimental procedures described herein are uniform, calculation procedures vary with application. The following influences guide the selection of a particular calculation: qualitative mixture composition; minimum error due to components presumed absent; minimum cross interference between known components; maximum sensitivity to known components; low frequency and complexity of calibration; and type of computing machinery.

    Because of these influences, a tabulation of calculation procedures recommended for stated applications is presented in Section 12 (Table 1).

    Serial No. . . . . . . . . . .

    7

    8

    9

    10

    11

    12

    13

    Name or Application

    Commercial
    Propane

    Commercial
    Butane

    BB Stream
    (Cracked
    Butanes)

    Dry Gas
    Cracked
    Fuel Gas

    Mixed Iso
    and Normal
    Butanes

    Reformer
    Make-Up
    Gas

    Unstabi-
    lized Fuel
    Gas

    Component

    O

    P

    M

    O

    P

    M

    OC

    PC

    M

    O

    P

    M

    O

    P

    M

    O

    P

    M

    OC

    PC

    M

    Hydrogen

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    15

     2

    M

    ...

    ...

    ...

    10

     2

    M

    16

     2

    M

    Methane

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    14

    16

    M

    ...

    ...

    ...

     9

    16

    M

    15

    16

    M

    EthyleneE

    7

    26

    M

    ...

    ...

    ...

    ...

    ...

    ...

    12

    26

    M

    ...

    ...

    ...

    ...

    ...

    ...

    13

    26

    M

    Ethane

    6

    30

    M

    ...

    ...

    ...

    ...

    ...

    ...

    11

    30

    M

    ...

    ...

    ...

     7

    30

    M

    12

    30

    M

    Propene

    5

    42

    M

    7

    42

    M

    6

    42

    M

    10

    42

    M

    ...

    ...

    ...

    ...

    ...

    ...

     8

    42

    M

    Propane

    3

    44

    M

    4

    44

    M

    4

    44

    M

     7

    44

    M

    3

    44

    M

     5

    44

    M

     6

    44

    M

    Butadiene

    ...

    ...

    ...

    ...

    ...

    ...

    1

    54

    M

     3

    54

    M

    ...

    ...

    ...

    ...

    ...

    ...

     2

    54

    M

    Butene-1

    1

    56

    M

    1

    56

    M

    7

    41

    M

     1

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

     9

    41

    M

    Butene-2

    1

    56

    M

    1

    56

    M

    8

    56

    M

     1

    56

    M

    ...

    ...

    ...

    ...

    ...

    ...

    10

    56

    M

    Isobutene

    1F

    F

    M

    1

    F

    F

    9

    39

    M

     1

    F

    ...

    4

    43

    M

    ...

    ...

    ...

    11

    39

    M

    Isobutane

    4

    43

    M

    5

    43

    M

    5

    43

    M

     8

    43

    M

    1

    58

    M

     6

    43

    M

     7

    43

    M

    n-Butane

    2

    58

    M

    2

    58

    M

    2

    58

    M

     4

    58

    M

    ...

    ...

    ...

     2

    58

    M

     3

    58

    M

    Pentenes

    ...

    ...

    ...

    6

    70

    M

    G

    70

    U

     9

    70

    M

    ...

    ...

    ...

     3

    57

    M

    ...

    70

    U

    Isopentane

    ...

    ...

    ...

    3

    57

    M

    3

    57

    M

     5

    57

    M

    2

    57

    M

     4

    72

    M

     4

    57

    M

    n-Pentane

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

     6

    72

    M

    ...

    ...

    ...

    ...

    ...

    ...

     5

    72

    M

    Benzene

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    H

    H

    D

    Hexanes

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    H

    H

    D

    C6 cyclic paraffins

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    H

    H

    D

    Hexanes

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    H

    H

    D

    Toluene

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    H

    H

    D

    Hydrogen sulfide

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    I

    ...

    C

    ...

    ...

    ...

    I

    I

    C

    I

    I

    C

    Carbon dioxide

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    I

    ...

    C

    ...

    ...

    ...

    I

    I

    C

    I

    I

    C

    Carbon monoxide

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    13

    28

    M

    ...

    ...

    ...

     8

    28

    M

    14

    28

    M

    Nitrogen

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...

    ...


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1137 Method for Analysis of Natural Gases and Related Types of Gaseous Mixtures by the Mass Spectrometer

    D1247 Test Method for Sampling Manufactured Gas

    D1265 Practice for Sampling Liquefied Petroleum (LP) Gases, Manual Method

    D1302 Test Method for Analysis of Carbureted Water Gas by the Mass Spectrometer

    Gas Producers Association Standards

    GPA 2166 Obtaining Natural Gas Samples for Analysis by Gas Chromatography

    ICS Code

    ICS Number Code 71.040.40 (Chemical analysis)

    UNSPSC Code

    UNSPSC Code 15111500(Gaseous fuels)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D2650-10R15

    Citation Format

    ASTM D2650-10(2015), Standard Test Method for Chemical Composition of Gases by Mass Spectrometry, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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