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TECHNICAL SPECIFICATION

PROPANE

Composition
Ethane content 2.0 liquid volume % (max.)
Propane content 96 liquid volume % (min.)
Quality
Vapor pressure at 100 ºF 200 psig (max.)
Volatile residue temp. at 95% evaporation 37 ºF (max.)
Butane and heavier 2.5 % liquid volume % (max.)
Residue on evap. of 100 cm3 0.04 cm3 (max.)
Oil stain observation pass
Corrosion, copper strip No. 1
Impurities
Total sulfur 0.001 wt % (max.)
Hydrogen Sulfide negative
Moisture 1 ppmv

BUTANE

Composition
Butane Content 95 liquid volume % (min.)
Pentane and heavier 1.0 mole % (max.)
Quality
Vapor pressure at 100 ºF 70 psig (max.)
Volatile residue temp. at 95% evaporation 36 ˚F (max.)
Corrosion, copper strip No. 1
Impurities
Total sulfur 0.001 wt % (max.)
Hydrogen Sulfide negative

METHANOL

TEST SPEC. METHOD
Purity                                          (wt %) Min 99.85 ASTM E-346
Water                                       (w/w %) Max 0.1 ASTM E-1064
Ethanol                                    (w/w %) Max  0.001 ASTM E-346
Specific Gravity @20/20 °C Max  0.7928 ASTM D-4052
Acetone                                   (w/w %) Max  0.002 ASTM E-346
Acetone & Aldehydes             (W/W%) Max 0.003 ASTM E-346
Permanganate Time Test No color discharge in 50 min. ASTM D-1363
Non Volatile Matter        (mg/1000 ml) Max 1mg/100 ml ASTM D-1353
 Distillation range                           (°C) Max 1 °C to include 64.6 + 0.1 °C ASTM D-1078
Color PT-Co scale Max 5 ASTM D-1209
Carbonizable substance color Max 30 ASTM D-1209
Appearance & Hydrocarbons free of suspended matters and sediments
Odor Non-Residual ASTM D-1296
Alkalinity as NH3                    (w/w %) Max 0.003 ASTM D-1614
Acidity as CH3COOH             (w/w %) Max 0.003 ASTM E-346