Gas Turbine Liquid Fuel
Siemens Westinghouse Specification No. 21T4424 Requirement

Test Description

Method

Required Tests:

Heat of Combustion of Liquid Hydrocarbon Fuel by Bomb Calorimeter and Net Heat of Combustion

ASTM D 4809

Viscosity, Kinematic, at 40°C, cSt

ASTM D 445.a

Distillation of Petroleum Products at Atmospheric Pressure

ASTM D 86.b

Carbon Residue (Micro Method)

ASTM D 4530

Ash Content of Petroleum Products

ASTM D 482

Aniline Point of Petroleum Products

ASTM D 611.a

Diesel Index, Calculated Value

IP 21

Water and Sediment in Distillate Fuels, BS&W

ASTM D 2709

Gum Content, Existent, in Fuels by Air Jet Evaporation

ASTM D 381.a

Flash Point, Pensky-Martens Closed Cup

ASTM D 93

Vapor Pressure of Petroleum Products, Reid Method

ASTM D 323

API Gravity, Hydrometer Method

ASTM D 287.a

Trace Metals in Gas Turbine Fuels by Flame Atomic Absorption and Flame Emission Spectroscopy. Includes: Sodium, Potassium, Vanadium, Lead, Calcium, Barium, Magnesium, Phosphorous. ppm

ASTM D 3605.b

Chlorides, Organic, in Crude Oil (Naphtha Cut)

ASTM D 4929

Nitrogen, Organically Bound, by Chemiluminescence

ASTM D 4629

Sulfur by X-Ray Fluorescence Spectroscopy. LOD = 0.01 wt%

ASTM D 4294

 

Additional Optional Tests:

Filterability of Diesel Fuels by Low Temperature Flow Test (LTFT) Method

ASTM D 4539

Water Reaction of Aviation Fuels

ASTM D 1094

Acid Number of Petroleum Products, Potentiometric Titration

ASTM D 664

Strong Acid Number, Color-Indicator Titration

ASTM D 974.b

Oxidation Stability, Light Fuel Oils, 16 hr

ASTM D 2274

Water by Distillation, Petroleum Products

ASTM D 95

Particulate Contamination in Aviation Fuels by Laboratory Filtration

ASTM D 5452

Particulate Contamination in Middle Distillate Fuels by Filtration

ASTM D 6217