ASTM D7671
CORROSIVENESS TO SILVER BY AUTOMOTIVE SPARK–IGNITION ENGINE FUEL–SILVER STRIP METHOD.
This test method covers the determination of the corrosiveness to silver by automotive spark-ignition engine fuel, having a vapor pressure no greater than 124?kPa (18?psi) at 37.8?°C (100?°F), by one of two procedures. Procedure A involves the use of a pressure vessel, whereas Procedure B involves the use of a vented test tube.