1、MIL-P-387C INT. AMENDMENT 2 (AR) 6 Ju IV 199 4 SUPERSEDING INT. AMENDMENT 1 (AR) 26 March 1990 MILITARY SPECIFICATION PENTAERYTHRITE TETRANITRATE PETNI This Interim Amendment is approved for use within the U.S. Army Armament, Munitions and Chemical Command, with MIL-P-387C dated 8 December 1976. PAG
2、E 1 1.2 Classification: Delete “Class 1“ and substitute “Class 1 to 4“. PAGE 8 * Para 4.5.3 Melting Point. Add “or using Differential Scanning Calorimetry (DSC) thermal analysis Method. The peak maximum of the endotherm shall be reported as the melting point.“ to the end of the paragraph. Analyzer M
3、ethod.“ to the end of the paragraph. * Para 4.5.4 Nitrogen Content. Add “or using the Elemental PAGE 10 * Para 4.5.8 Delete “4.5.8 Granulation.“ and substitute “4.5.8.1 Wet Sieves“ * Add new para “4.5.8 Granulation Method.“ * Add new para: “4.5.8.2 Sonic Sifter Method - Weigh approximately 2-10 gm o
4、f the dry sample and re-dry at 70-80 degree C until constant weight is obtained. receiving pan. Stack the sieve in size order (coarsest on top). Place sieve assembly in the Sonic Sifter. MODE dial to a proper amplitude. Preweigh each sieve and the Transfer sample to the.top of the coarsest sieve. Se
5、t the SIFT/PULSE proper amplitude is 1 of 2 FSC 1376 AMSC N/A PISTR IBUTION ST ATEMENT A. Approved for public release; distribution is unlimited Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-387C INT A
6、ND 2 m 0b L87LbL 486 m MIL-P-387C IN“ AMENDMENT 2 (AR) determined as the minimum level which causes the granules to “danceIl on the top sieve. Set timer to 4 minutes. After sifter stops, reweigh each sieve and receiving pan. The portions retained or passed by the various sieve shall be calculated to
7、 a percentage basis (+/-0.1%).“ CALCULATION: Retained, percent = A/W * 100 Through, percent = (W-(A+B)/W * 100 Where: A = Weight retained on specified sieve, gm. B = Weight retained on sieves nested above specified sieve, gm. W = Weight of specimen, gm.“ The margins of this amendment are marked with
8、 an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors a
9、re cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: AW-AR Preparing activity: Army-AR (Project 1376-0001) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
