3.1 Pretest
The following information is required to conduct salt fog tests adequately.
- a. General. Information listed in Part One, paragraphs 5.7 and 5.9, and Annex A, Task 405 of this standard.
- b. Specific to this Method.
- (1) Areas of the test item visually and functionally examined and an explanation of their inclusion or exclusion.
- (2) Salt concentration if other than 5 percent.
- (3) Resistivity and type of initial water.
- (4) The appropriate exposure option, i.e., 24/24/24/24-hrs, or 48/48-hrs (see paragraph 2.2.3).
- c. Tailoring. Necessary variations in the basic test procedures to accommodate environments identified in the LCEP.
3.2 During Test
8.2 During Test. Collect the following information during conduct of the test:
- a. General. Information listed in Part One, paragraph 5.10, and in Annex A, Tasks 405 and 406 of this standard.
- b. Specific to this Method.
- (1) Record of chamber temperature versus time conditions.
- (2) Salt fog fallout quantities per unit of time (paragraph 4.1.4).
- (3) Salt fog pH (paragraph 4.5.1.1b).
3.3 Post-Test
The following post test data shall be included in the test report.
- a. General. Information listed in Part One, paragraph 5.13, and in Annex A, Task 406 of this standard.
- b. Specific to this Method.
- (1) Areas of the test item visually and functionally examined and an explanation of their inclusion or exclusion.
- (2) Test variables:
- (a) Salt solution pH.
- (b) Salt solution fallout rate (ml/cm²/hr).
- (3) Results of examination for corrosion, electrical, and physical effects.
- (4) Observations to aid in failure analysis (to include photographs).
- (5) Any deviation from the approved test plan.