A2LA Renews GTI's Testing Accreditation

April 2014, Vol. 69 No. 4

These new test methods are: ASTM D664 (for acid number of petroleum products by potentiometric titration), ASTM D5291 (for instrumentation determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants), and ASTM D5622 (for determination of total oxygen in gasoline and methanol fuels by reductive pyrolysis). 847.768.0500, gastechnology.org