RESISTANCE TO CORROSION TEST Section 50Three samples are to be subjected to this test.All grease is to be removed from the samples to be tested, by immersion in either ethyl acetate, acetone, or methylethyl ketone for 10 minutes. The parts are then to be immersed for 10 minutes in a 10 percent solution of ammonium chloride in water at a temperature of 20 + 5 C.The samples shall not be dried, but excess drops shall be shaken off by hand. The parts are then placed for 10 minutes in a chamber containing moisture saturated air at a temperature of 20 + 5 C.The parts are then dried for 10 minutes in a heating cabinet at a temperature of 100 + 5 C and their surfaces shall not show any signs of corrosion.Traces of corrosion on sharp edges and yellowish film removable by rubbing are to be ignored.Note to lab: parts (push rod and hook) subject to this test are marked in red circle as below. (2021-11-09, JJ)