ARMY JAN-A-465-1947 ACID ACETIC (FOR ORDNANCE USE)《酸 醋酸(军械使用)》.pdf

1、- - JAN-A-465 68 m 7777906 OLL3722 2 m * - - . f-3-U3 JAN-A-465 18 APRIL 1947 JOINT ARMY -NAVY SPECIFICATION ACID, ACETIC (FOR ORDNANCE USE) This speciflcatlon mas approved by the War Department and the Navy Department for use o2 procurement services of the Army and Navy. A. APPLICABLE SPECIFICATION

2、S AND OTFHElR PUBLICATIONS A-1. Specifications.-The following specifications, of the issue in effect on date of invitation for bids, form a part of this specifica- tion : U. S. ARMY SPECIFICATIONS 60-O-1-General Specification for Ammunition except Small- 100-2 -Standard Spe:ification for Marking Shi

3、pments by i I 1 Arms Ammunition? Contractors. I NAVY DEPARTMENT SPECIFICATION General Specifications for Inspection of Material. ! A-2. Other publications.-The following publications, of the issue in effect on date of invitation for bids, form a part of this specification : ! BUREAU OF SUPPLIES AND

4、ACCOUNTS PUBLICATION i % Navy Shipment Marking Handbook? Regulations for Transportation of Explosives and Other INTERSTATE COMMERCE COMMISSION REGULATIONS i i Dangerous Articles, etc. B. GRADE B-l. This specification covers one grade of acetic acid as here- inafter specified. C. MATERIAL AND WORKMAN

5、SHIP C-l. See section E. D. GENERAL REQUIREMENTS D-l. See section E. - E-1. Appearance.- Eo DETAIL REQUIREIENTS E-la. Color.-The sample shall show no more color than the standard containing 10 p.p.m. of platinum. (See par. F-4a(l).) E-lb. Suspended matter.-None. (See par. F-4a(2) .) E-2. Purity.-Min

6、imum, 99.90 percent. E-3. Freezing point.-Minimum, 16.4C. * Apiillcable only to Army purchases. 8Apyllcabh only to Navy purchaser. 707307-47-(263) - - ;HIS DOCUMENT CONTAINS L PAGE -.- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2 . E-4. Chloride

7、a.-None, (See par. F-4d.) EA. Sulfatee.-None. (See par. F-4e.) EX. Fmh and sulfurow, acids.-None. (See par. Fa.) E-7. Heavy mtae.-When tested in accordance with the meth- ods described in paragraph FAg, the absence of antimony, arsenic, bismuth, cadmium, cobalt, copper, lead, manganese, mercury nick

8、el, tin, and zinc shall be established, F. HETHODS OR BAYPLXNGP INBPIuCIION, AND IIuSTS F-l. Size of lot.-Maximum, 100,000 pounds. F-2. Sampliw-Select 10 percent, but in no case more than 10 containers of the containers comprising the lot so as to be repre- sentative of the entire lot. From each sel

9、ected container remove sufficient material by means of a thief to form a composite sample of approximately 1 quart when the portions removed from the selected containers are united. Fill a 16sunce glass-stoppered bottle with the composite sample. If the material is shipped in tank cars, remove the s

10、ample (approx. 1 quart) by means of a thief or a clean weighted, small-neck glass bottle. The bottle shall have a capacity of approximately 1 quart and shall be rinsed with the material being sampled. Lower the unstoppered bottle by means of a cord, chain, or rod to the bottom of the tank, and immed

11、iately withdraw to the surface. In order to obtain a representative cross-section sample of the material, the speed of lowering and raising the bottle shall be of uniform rate and regulated so that the bottle is just iled as it reaches the surface of the liquid. F-Sa. Amy.-Inspection shall be made i

12、n accordance with the requirements of U. S. Army Specification 60-0-1. F-3b. Navy.-Inspection shall be made at the point of delivery unless otherwise specified in the contract or order. F-4. Tests.-The laboratory tests shall be made in accordance with. the following paragraphs, For Navy urchases, th

13、e tests shall be made at a Government laboratory uJess otherwise speci- fied in the contract or order. F-3. IWpeCti0tZ.- F-4a. Appearam+- F-4a (i). Color.- FAa(1)s. Preparation of etandard-Dissolve 1.246 gm. of potassium chloio-platinate (KrPtClr) , containing 0.600 gm. of plati- num, and 1.000 gm.

14、of crystallized cobaltous chloride (CoClr.6H10) containing approximately 0.248 gm. of cobalt, in distilled water with 100 ml. of concentrated Ra. Dilute to 1 liter with pure distilled water. This solution is referred to as the 600 p.p.m. platinum standard. (See par. H-4.) Prepare a standard of 10 p.

15、p.m. by diluting 1 mi of the 600 p.p.m. standard to 60 ml. with distilled water. F-4a(1) b. Proceolure.-Place both the 10 p.p.m. standard and the ssmple in 60-ml; tall form Neasler tubes to the same height. Look vertically downward through the liquid in the tubes upon a JAN-A-4663 JAN-A-4b5 b W 7777

16、9Ob 0113923 L! W n I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. 8 _. l i i i i white or mirrored surface which is placed at such an angle that light is reflected upward through the column of liquid. Compare the intensity of color of the sample

17、 and standard. F-4a (2). Suspended matter.-Following inspection for color, note whether any suspended matter is observed when looking down the Nessler tube containing the sample. P-4b. Puritv.-Add 60 ml. of distiled water to a 260-ml. Erlen- meyer flask, add several drops of phenolphthalein indicato

18、r aolu- tion and titrate to a pink end point with 0.1N NaOH. accurately to plus or minus 0.0002 gm., approximately 6 e. of for the Navy in accordance with the requirements of the Navy Shipment Marking Handbook. H4 NOTES ?I-1. Um-Acetic acid covered by this specification is intended for we in the man

19、ufacture of explosives. EI-2. Requests, requisitions, schedules, and contracts or orders any obligation whatso- ever. and the fact that the Government may have formul&ed fur- nlshd, or in any way suppiled the sald drawlngs, specifications, or other data Is not to be regarded by Implication or otherw

20、lse as In any manner llcenslng the holder or any other person or corporation or oonveyln any rights or permlssion to manufacture, use, or seli any patente8 inventton that may in any way be related thereto. Armyi O. Navy: OS. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-