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Industrial Fuel Analysis Laboratory 
Apparatus & Instrumentation for On-Site Gas Turbine & Diesel Engine Fuel Physical Property Analysis

The Spectro Inc. Industrial Fuel Analysis Laboratory (IFAL) consists of all apparatus and analytical instruments required for on-site gas turbine physical property analysis. Each system is complete and only normal laboratory equipment such as standard glassware and chemicals are to be supplied by the customer. In some cases alternative instruments are offered. A complete summary of the tests is shown on the next page.

A specification for fuel oil is often a compromise between supply and cost of fuel and the physical property required for proper and safe operation of the diesel engine or gas turbine. Inevitably this compromise is based on fuel availability, costs, and governmental regulations on emissions. Fuel specifications are often separated into two classifications: purchase specifications and end user specifications. All fuel specifications contain limits on several physical properties, each of which has an impact on fuel cost and diesel and gas turbine operation.

Reasons for On-Site Fuel Analysis
Although a fuel may have met the purchase specifications at the refinery, there is no automatic guarantee that it will still meet specifications at the end-user site. Contamination in transport, accidental or planned re-routing and switching of fuels and storage delays can lead to changes in the physical properties of the fuel. For these reasons, on-site fuel analysis has become a requirement at gas turbines sites to guaranteed that physical property specifications are met and to determine if pre-conditioning is required for safe and efficient usage of the fuel.

The physical property tests listed in the IFAL provide a complete capability for many different fuel types. If it is known that only a specific fuel type will be used at a certain site, all of the tests in the IFAL may not be required. Many of the tests will be spelled out in your fuel specification, however if there is any uncertainty as to which tests to perform, consult your engine supplier, fuel treatment system manufacturer, consulting engineering firm or Spectro Inc.

The IFAL contains all or any part of the instruments listed below:

ASTM Designation or Test

Description

D 1298
Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

D 4052 & D 5002
Density, Relative Density (Specific Gravity), or API Gravity of Liquid Petroleum Products or Crude Oil by Digital Density Meter

D 86
Distillation of Petroleum Products

D 240
Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter

D 93
Flash-Point by Pensky-Martens Closed Cup Tester

D 1796
Water and Sediment in Fuel Oils by the Centrifuge Method

D 2277
Particulate Contamination in Aviation Fuel by Line Sampling

D 2500
Cloud Point of Petroleum Products

D 97
Pour Point of Petroleum Products

D 445
Kinematic Viscosity of Transparent and Opaque Liquids

D 976
Calculated Cetane Index of Distillate Fuels

D 524
Ramsbottom Carbon Residue of Petroleum Products

D 130
Detection of Copper Corrosion from Petroleum Products by Copper Strip Tarnish Test

Sulfur
Spectrometric Analysis of Sulfur in Diesel Engine and Gas Turbine Fuels

D 482
Ash from Petroleum Products

D 6728
Spectrometric Analysis of Metallic Elements in Diesel Engine and Gas Turbine Fuels

D 3921
Analyzer for Oil and Grease and Petroleum Hydrocarbons in Water