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    ASTM D2650 : 10(2015) New ASTM DRM Policy

    Standard Test Method for Chemical Composition of Gases by Mass Spectrometry

    Standard Details

    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<

    General Information

    Status : Historical
    Standard Type: Main
    Document No: ASTM D2650 : 10(2015)
    Document Year: 2010
    Pages: 7
    • Section Volume:
    • 05.01 Volume 05.01 Petroleum Products, Liquid Fuels, and Lubricants (I): C1234-D3710

    Life Cycle

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    ASTM D2650 : 10(2021)

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    ASTM D2650 : 10(2015)

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