1、JAN-A-183 AMENDMENT-2 12 OCTOBER 1951 SUPERSEDING 16 June 1945 AMENDMENT-1 * JOINT ARMY-NAVY SPECIFICATION ACID, NITRIC (FOR ORDNANCE USE) Army Number 50-1 1-3C Navy Number 51A22 This amendment forms a part of Joint Army-Navy Specifica- tion JAN-A-183, dated 28 February 1945, and wa8 approved by the
2、 Departmenta of the Army, the Navy, and the Air Force for u88 of procurement services of the respective Departments. Page 2, table I, line 6, class d: Delete 0.0” and substitute “1.0”. Page 3, paragraph F-4c (i) a (i), line 4: Delete “94.5+0.5” and Page 3, paragraph F-4c (I) a (I) : Change the secon
3、d factor in the Page 6, paragraph F-4c (Z), line 7: Add “(See H-7 for alternate Page 9 : Add paragraph H-7, as follows : “-7. The following alternate procedure can be used for drawing the acid into the glass bulb (see F-4c (2) ) : Place a weighted bulb in a 1WmL beaker with its capillary stem protru
4、ding through a hole in the bottom of the beaker. Immerse the tip of the stem in the acid, place crushed dry ice in the beaker, and draw into the bulb sucient acid to neutralhe from 60 to 90 mL of .N/3 sodium m- droxide solution. Remove e bulb from the iced beaker and quickly seal off the tip of the
5、stem in a flame. Wipe the stem several times with a clean cloth and rinse it with distilled water to remove alLadd from the outer wall. Wipe dry with a cloth, allow to warm to room temperature and weigh. Finish the determination as specifled in substitute “94.5+-0.5”. denominator of the calculation formula to (2733-T ) ”. procedure) .” before “Hold”. . E* (2).” Custodian: Army-rdnance Corps Other interest: Nav-S. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
