O-E-751C
3.8 Specific gravity. Specific gravity shall be not less than 0.6360 (91.0 °API) or more than
0.6476 (87.0 °API) (see 4.3.7).
3.9 Unsaturation. The bromine number shall be not more than 0.35 g per 100 g of material (see 4.3.8).
3.10 Aromatics. Aromatics shall be not greater than 3.0 percent (see 4.3.9).
3.11 Free and corrosive sulfur. There shall be no more than a light orange tarnish (1a) on a copper strip specimen (see 4.3.10).
4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified (see 6.2 and 6.5), the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified (see 6.2 and 6.5), the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspections set
forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.
4.2 Quality conformance inspection. Unless otherwise specified (see 6.2), the product shall be tested in accordance with the tests specified in paragraph 4.3.1 through 4.3.10.
4.3 Test methods.
4.3.1 Appearance. Pour some of the thoroughly mixed sample into a test tube, stopper, and allow to stand for at least ten minutes at room temperature (20 °C to 30 °C). Examine by transmitted light for clarity, suspended matter, and sediment.
4.3.2 Odor. Note the odor of the material in the container. Dip uniform strips of double
acid washed filter paper in the sample. Allow to dry in a well ventilated room at 20 °C to 30 °C for one hour. Note the odor at the start of the drying period and at 15 minute intervals during the drying period. At the end of the drying period, note whether there is any residual odor.
4.3.3 Color. The test for color shall be in accordance with ASTM D 156.
4.3.4 Nonvolatile matter. The test for nonvolatile matter shall be in accordance with ASTM D 1353.
4.3.5 Acidity. The test for acidity shall be in accordance with ASTM D 1093.
4.3.6 Distillation range. The test for distillation range shall be in accordance with ASTM D 86.
4.3.7 Specific gravity. The test for specific gravity shall be in accordance with ASTM D 287.
4.3.8 Unsaturation. The test for bromine shall be in accordance with ASTM D 1159.
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