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powercd 2005-11-17 08:36 PM

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"Gross Heating value of not less than 1.070 BTU's per standard cubic foot"

"Butanes(C4) and heavier, 2.00 mol%"

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creampie 2005-11-17 08:57 PM

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vchou 2005-11-17 08:59 PM

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powercd 2005-11-17 09:32 PM

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GROS HEATING VALUE

The LNG shall have, in a gaseous state, a Gross Heating value of not less than 1.070 BTU's per standard cubic Foot and not more thatn 1.170 BTU's per Standard cubic Foot.

COMPONENTS

The LNG should contain not less than eighty-five molecular percentage (85 mol%) of methane (CH4) and, for the components and substances listed below, such LNG shall not contain more than the following:
(a) Nitrogen (N2), 1.0 mol%
(b) Butanes (C4) and heavier, 2.00 mol%
(c) Pentanes (C5) and heavier, 0.10 mol%
(d) Hydrogen Sulfide (H2G), 0.25 grains per 100 standard cubic feet (0.25 grains/100 scf)
(e) Total sulfur content, 1.3 grains per 100 standard cubic feet (1.3 grains/100 scf)


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3. ¨ì©³¬O¥Î feet ÁÙ¬O foot ?

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chiishin 2005-11-17 09:41 PM

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1­^¼ö = 1 055.05585 µJ¦Õ
1BTU = 1055.05585 J
1BTU = 252 cal

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Butanes (C4) and heavier
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powercd 2005-11-17 09:53 PM

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