ASTM D7667
DETERMINATION OF CORROSIVENESS TO SILVER BY AUTOMOTIVE SPARK-IGNITION ENGINE FUEL— THIN SILVER STRIP METHOD.
This test method covers the determination of the corrosiveness to silver by automotive spark-ignition engine fuel (for example, gasoline), having a vapor pressure no greater than 124?kPa (18?psi) at 37.8?°C (100?°F) by one of two procedures.