Federal Test Method

The most extensive body of tests are provided under the auspices of ASTM Standard methods. Specific ASTM test designations and descriptions are available (48). The other compendium of fire-retardant tests are contained ia Federal Test Method Standards 191A (49). 

Federal Test Method Standards 191 A, General Services Administration, Washington, D.C., July 20,1978. 

An alternate test for charge-dissipating performance is the charge decay test, in which the time of charge decay is measured after a potential of 5 kV has been applied to the specimen (Federal Test Method Standard 101C, Method 4046.1). For many purposes, a... 

Grade JP-3 NATO symbol none Grade JP-4 NATO symbol F-40 Grade JP-5 NATO symbol F-42 Federal test method standard No. 791 ASTM standards... 

The mercaptan-sulfur determination may be waived at the option of the Inspector, if the fuel is considered Doctor sweet when tested in accordance with Method 5203 of Federal Test Method Standard No 791... 

Inspection. Unless otherwise specified by the procuring activity, inspection shall be in accordance with Federal Test Method Standard No 791, Method 9601... 

Thermal stability. A manual, semiautomatic or automatic CFR fuel coker shall be used. The equipment and operating procedures shall be in strict accordance with Method 3464 of Federal Test Method Standard No 791. No deviation from this method is aUowed... 

Pycnometer Method. Sp gr shall be detd in accordance with Federal Test Method No 141 Method 4183, except that the temperature shall be 20/20QC... 

Dissolve 5.00g of the specimen in 76g of toluene and 19g of ethanol conforming to Spec O—E—760. Determine the viscosity at 25° according to Method 305 of Federal Test Method Standard No 791, except that the results in cent stokes should be converted to centipoises as follows ... 

Water Content, as Received — 0.20%, maximum. Determine its content in accordance with Method No 3001 of Federal Test Method Standard No 7 1... 

Use Method 1001 of Federal Test Method Standard No 791, except that, due to the high viscosity of the material, cooling water at 40—45° shall be substituted for the ice-water in the condenser... 

Distillation. Distillation shall be conducted according to Federal Test Method Standard No 141 Test Method No 4301.1, except that distillation shall be conducted at a pressure of 760 mm of mercury or corrected thereto by adding 0.043° C for each mm under 760 mm or subtracting for every mm over 760 mm... 

Flash point. The flash point of the material shall be determined according to Federal Test Method Standard No 791 Test Method No 1103.6 (ASTM D92-66), except that the fire point need not be determined 4-3.9 Odor. Odor shall be determined by pour-... 

The method intended to measure the "fineness of grind is described as Method 4411.1 (Sept 1, 1965) of Federal Test Method Standard No 141a. The apparatus consists of a device known as the Hegman Gage... 

Textile Test Methods, Federal Test Methods Standard No. 191, Dec. 14, 1968. 

Plash Point, Determine it in accordance with. method 1103.7 of Federal Test Method... 

Viscosity. It shall be detd in accordance with method 305.6 of Federal Test Method Std 79IB (Jan 1969) (ASTM Method D445—65). The time is measured for a fixed vol of the... 

Refs l)K.Van Keuren, "A Procedure for Chemical Analysis of Composition A-3 , NAVORD Report 1781, US Naval Ordnance Laboratory, White Oak, Md. (1951) la)S.M. Kaye, PATR 1936 (1953) (Nonaqueous titration method for detn of RDX content in Comp A-3) 2)Anon, Military Explosives , TM 9-1910 (1955), 271 (Identification of Composition A-3) 3)Purchase Description X-PA-PD-940 (1956) (Karl Fischer moisture detn) 4)Federal Test Method Std No 141 (1958), Method 4082 (Karl Fischer moisture detn) 4a)C.C.Jamison, "Determination of Nitrogenous Coumpounds of Ordnance Interest by Chromous Chloride Reduction , PicArsn, FRL TechMemo ACS-3-60 (I960) 5)U.S. 

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