Fuel and Lubricant Testing

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ISO 6618 - Acid Number - Color-Indicator Titration

We perform testing by ISO 6618 to determine the acidic or basic constituents in petroleum products and lubricants using a color-indicator titration. This method is applicable for products that have extremely low dissociation constants.

We also perform acidity and acid number testing by ASTM D1613ASTM D3242ASTM D3339ASTM D664ASTM D7795ASTM D847ASTM D974IP 139IP 177IP 354ISO 6619, and SAE ARP5088. These different test methods use different instruments or procedures or are used for certain sample types. Click on the test method number to learn more about each test.

Contact us today to receive a quote for your lubricants testing.

ISO 6618 corresponds to ASTM D974 and IP 139.

You can learn more about this test standard, or purchase a copy, by going to the website for ISO - the International Organization for Standardization.