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LPG
Liquefied Petroleum Gas
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ANALYSIS
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UNIT
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LIMIT
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TEST METHOD
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C2 Hydrocarbon
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Vol%
|
0.2 max
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ASTM D 2163
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C3 Hydrocarbon
|
Vol%
|
"
|
" D 2163
|
|
C4 Hydrocarbon
|
Vol%
|
"
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" D 2163
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|
C5 Hydrocarbon
|
Vol%
|
2 max
|
" D 2163
|
|
Hydrogen Sulphide
|
-
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Negative
|
" D2420
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Mercaptan Silphur
|
Gram/m³
|
0.23 max(1)
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IP.104(A)
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Odorizing Agent
|
Gram/m³
|
12
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Note: (1) The limit applies to the product before addition of odorizing agent (Ethyl mercaptan)
*Varies seasonally for refineries as follows:
(ABADAN , BANDAR ABBAS)
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|
1 st KHORDAD
To
1 st MEHR
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1 st MEHR
To
1 st AZAR
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1 st AZAR
To
1 st ESFAND
|
1 st ESFAND
To
1 st KHORDAD
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C3's vol%
C4's vol%
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15-35
85-65
|
30-50
70-50
|
50-70
50-30
|
30-50
70-50
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(TEHRAN,ARAK,SHIRAZ,KERMANSHAH,ESFAHAN)
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|
1 st KHORDAD
To
1 st SHAHRIVAR
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1 st SHAHRIVAR
To
1 st ABAN
|
1 st ABAN
To
1 st FARVARDIN
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1 st FARVARDIN
To
1 st KHORDAD
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C3's vol%
C4's vol%
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15-35
85-65
|
30-50
70-50
|
50-70
50-30
|
30-50
70-50
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(TABRIZ)
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|
1 st TIR
To
1 st SHAHRIVAR
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1 st SHAHRIVAR
To
1 st ABAN
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1 st ABAN
To
1 st ORDIBEHESHT
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1 st ORDIBEHESHT
To
1 st TIR
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C3's vol%
C4's vol%
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15-35
85-65
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30-50
70-50
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50-70
50-30
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30-50
70-50
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The latest issue of the relevant test methods shall be used. |
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