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NIOC GUARANTEED SPECIFICATION 
LPG 
PROPANE 
Test Item 
Test Method 
Specification 
Sp. Gr. 15.6/15.6 Deg.C 
ASTM D 2598 
To be reported 
Vapor pressure (psig at 100 Deg.F) 
ASTM D 1267 or D 2598 
Max 200 
Propane content (vol %) 
ASTM D 2163 
Min 96.0 
Ethane content (vol %) 
ASTM D 2163 
Max 2.0 
Volatile residue (Butane+)(Vol %) 
ASTM D 2163 
Max 2.5 
Residue on evaporation of 100ml 
ASTM D 2158 
Max 0.05 
Oil stain observation 
ASTM D 2158 
Pass 
Copper corrosion 
ASTM D 1838 
No. 1 strip 
Sulfur content (ppm) 
ASTM D 1266 or D 5453 
Max 40 
H2S 
ASTM D 2420 or IP103 
Negative 
Moisture 
ASTM D 2713 or D 1744 
Pass 
BUTANE 
Test Item 
Test Method 
Specification 
Sp. Gr,15.6/15.6 Deg.C. 
ASTM D 2598 
To be reported 
Vapor Pressure(psig at 100 deg.F) 
ASTM D 1267 or D 2598 
Max 70 
Butane content (vol%) 
ASTM D 2163 
Min 95.0 
Volatile residue (Pentanc +)(vol%) 
ASTM D 2163 
Max 2.0 
Copper corrosion 
ASTM D 1838 
No. 1 strip 
Sulfur content(ppm) 
ASTM D 1266 or D 5453 
Max 80 
H2S 
ASTM D 2420 
Negative 
Free water 
Visual 
None

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  • 1. NIOC GUARANTEED SPECIFICATION LPG PROPANE Test Item Test Method Specification Sp. Gr. 15.6/15.6 Deg.C ASTM D 2598 To be reported Vapor pressure (psig at 100 Deg.F) ASTM D 1267 or D 2598 Max 200 Propane content (vol %) ASTM D 2163 Min 96.0 Ethane content (vol %) ASTM D 2163 Max 2.0 Volatile residue (Butane+)(Vol %) ASTM D 2163 Max 2.5 Residue on evaporation of 100ml ASTM D 2158 Max 0.05 Oil stain observation ASTM D 2158 Pass Copper corrosion ASTM D 1838 No. 1 strip Sulfur content (ppm) ASTM D 1266 or D 5453 Max 40 H2S ASTM D 2420 or IP103 Negative Moisture ASTM D 2713 or D 1744 Pass BUTANE Test Item Test Method Specification Sp. Gr,15.6/15.6 Deg.C. ASTM D 2598 To be reported Vapor Pressure(psig at 100 deg.F) ASTM D 1267 or D 2598 Max 70 Butane content (vol%) ASTM D 2163 Min 95.0 Volatile residue (Pentanc +)(vol%) ASTM D 2163 Max 2.0 Copper corrosion ASTM D 1838 No. 1 strip Sulfur content(ppm) ASTM D 1266 or D 5453 Max 80 H2S ASTM D 2420 Negative Free water Visual None