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Package Test	Test Details	Volume	Price ($US)
BTU	BTU The heat of combustion (measured in British Thermal Units) is the amount of energy released by a fuel when it is burned completely. Gross heat of combustion is derived from a unit mass of fuel burned at constant volume and Net heat of combustion is derived from combustion at constant pressure. The results can be reported as Btu/lb or Btu/gal.	40mL	$66.00
Cetane	Cetane Cetane is a measure of ignition quality for diesel fuels. Higher cetane fuels tend to increase power output and engine efficiency, start easier (especially in colder temperatures), and reduce exhaust smoke and odor. The cetane test is appropriate for diesel, biodiesel, and diesel/biodiesel blends. The D2699 and D2700 RON/MON Octane determination is the appropriate ignition quality test for gasoline-based fuels.	1L	$213.00
RON/MON Octane	RON/MON Octane Octane is a measure of ignition quality for gasoline fuels. Improper ignition timing can cause engine knock which, under extreme cases, can cause catastrophic engine failure. Two octane values are obtained- the Research Octane Number (RON, ASTM D2699) and the Motor Octane Number (MON, ASTM D2700). The rated Octane value is the average of the two: (R+M)/2. The D613 test is the appropriate ignition quality test for diesel fuels.	1L	$239.00
Moisture, Insolubles, Unsaponifiables	Moisture, Insolubles, Unsaponifiables The MIU package consists of three tests that look for moisture and volatiles (AOCS Ca 2c-25), insoluble matter (AOCS Ca 3a-46) and unsaponifiable matter (AOCS Ca 6a-40). These tests are appropriate for renewable feedstocks like vegetable oils and rendered fats. Unsaponifiable matter includes sterols, pigments, hydrocarbons, and larger alcohols.	100mL	$104.00
Lubricity	Lubricity Diesel fuel functions as a lubricant on surfaces of fuel system components like pumps and injectors. Adequate lubricity will protect against premature failure due to excessive wear on components where metal-on-metal contact is made.	10mL	$358.00
Aromaticity	Aromaticity Aromatics are hydrocarbons that contain the benzene ring structure. Increased aromatic content can have negative effects on combustion quality (cetane value) and emissions. The ASTM D976 Cetane Index can be used as a substitute for the Aromaticity requirement for diesel and B6 � B20 biodiesel blends.	10mL	$215.00
Conductivity	Conductivity Occasionally, static electricity discharge can be a safety concern. Diesel fuels have naturally very low conductivity so static dissipator additives are often used to prevent the buildup of static electricity during fuel transfer. Diesel fuels must meet a minimum conductivity rating.	1L	$100.00
Filter Blocking Tendency	Filter Blocking Tendency The Filter Blocking Tendency test is a measure of fuel cleanliness for diesel and biodiesel fuels. The intent of the test is to determine the likelihood that the fuel will potentially cause blockage in filters used in vehicles or fuel distribution systems. This is a different method than the Cold Soak Filterability test (ASTM D7501) which was designed for neat (100 %) biodiesel products.	1L	$335.00
Particle Size	Particle Size The ISO Cleanliness Code (ISO 4406) provides a measure of the quantity and sizes of various particulates found in diesel fuels. The code is typically based on three size categories (greater than 4 microns, greater than 6 microns, and greater than 14 microns), and the number of particles detected in each size class.	1L	$366.00
Radiocarbon Analysis	Radiocarbon Analysis Radiocarbon analysis can be a useful tool to determine the renewable content of a fuel product. The method is based on radioactive Carbon-14 which is incorporated into all living organisms. Because of the half-life of radioactive decay (approximately 5730 years), petroleum-based fossil fuels will not exhibit any radioactive Carbon-14. By measuring the proportion of radioactive Carbon-14 in a sample, the proportion of bio-based carbon to fossil-derived carbon can be determined.	10mL	$470.00

*Our goal is to provide results for standard samples within 72 hours of receipt of sample, and RUSH service within 24 hours for most tests. Turnaround time goals reflect normal business hours of 8am-4pm Monday through Friday, excluding weekends and observed holidays. RUSH service is available at 2X normal price. For RUSH service, please contact us ahead of time to reduce any delays.

**Prices are valid December 31, 2024 - February 28, 2025

***Testing prices performed by an outsource laboratory are subject to change without notice.