1、O-S-634B December 14, 1970 SUPERSEDING Fed. Spec. O-S-634A June 24, 1955 FEDERAL SPECIFICATION SODIUM NITRATE , TECHNICAL (NITFATE OP SODA) This specification was approved by the Commissioner, Federal Supply Service, General ServicesWministration, for the use of all Federal agencies. 1. SCOPE AND CL
2、ASSIFICATION 1.1 Scope. This specification covers a commercial (technical) grade of sodium nitrate. 1.2 Classification. 2. APPLICABLE DOCU14ENTS 2.1 The following documents of the issues in effect on date of invitation for Sodium nitrate shall be furnished in one type and grade. bids, or request for
3、 proposal form a part of this specification to the extent specified herein. Federal Specifications : UU-S-48 - Sacks, Shipping, Paper. PPP-D-705 - Drum: Metal Shipping, Steel (Over 12 and Under 55 Gallon). Federal Standards: Fed. Std. No. 123 - Marking for Domestic Shipment (Civil Agencies). Fed. Te
4、st Method Std. No. 536 - Soap and Soap-Products (Including Synthetic Detergents); Sampling and Testing. ,(Activities outside the Federal Government may obtain copies of Federal Specifica- tions, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and
5、 Standards and at the prices indicated in the Index. The Index, which includes cumulative monthly supplements as issued, is for sale on a subscription basis by the Superintendent of Documents, U. S. Government Printing Office, Washington, ix: 20402. (Single copies of this specification and other Fed
6、eral specifications required by activities outside the Federal Government for bidding purposes are available without charge from Business Service Centers at the General Services Administration Regional Offices in Boston, New York, Washington, D. C., Atlanta, Chicago, Kansas City, 140., Fort Worth, D
7、enver , San Francisco, Los Angeles , and Seattle , Washinqton. (Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies). b Ei 1 it ary Standes- :
8、NIL-STD-105 - Sampling Procedures and Tables for Insnection bv Attributes. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-147 - Palletized and Containerized Unit Loads 40“ x 48“ 4-Way (Partial) Pallet Skids , Runners, or Pallet-Type Bas., F I THIS DOCUMENT CONTAINS ,# PAGES. ic 6810 / I- -
9、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0-S-634B (Copies of Military Specifications and Standards required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the c
10、ontracting officer.) to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply. 2.2 Other publications. The following documents form a part of this specification Laws and Regulations : 49CF100 to 199
11、- Hazardous Materials Board, Department of Transportation. (The Code of Federal Regulations (CFR) and the Federal Register (FR) are for sale on a subscription basis by the Superintendent of Documents, U.S. Government Printing Off ice, Washington, DC 20402 When indicated, reprints of certain regulati
12、ons may be obtained from the Federal agency responsible for issuance thereof. ) Association of Official Analytical Chemists (AOAC) Publications: Methods of Analysis-Tenth Edition. (Application for copies should be addressed to P. O. Box 540, Benjarrn Franklin National Motor Freight Trafiic Associati
13、on, Incorporated, Agent: Station, Washington , . E 20044. ) National Motor Freight Classification. (Application for copies shall be addressed to the National Motor Freight Traffic Uniform Classification Committee, Agent: Association, Inc., Agent, 1616 P Street N.W., Washington, E 20036.) Uniform Fre
14、ight Classification. (Application for copies should be addressed to the Uniform Classification Committee, Tariff Publishing Officer, Room 202 Union Station, 516 W. Jackson Blvd., Chicago, IL 606%. ) Technical society and technical association specifications and standards are generally available for
15、reference from libraries. They are also distributed among technical groups and using Federal agencies. 3. REQUIREMENTS 3.1 Material. Sodium nitrate shall either be a natural or synthetic product 3.2 Workmanship. conforming to the requirements of table I. nitrate that is in accordance with the requir
16、ements of this specification. The quality of workmanship shall be such as to produce sodium TABLE I. Chemical and physical requirements Purity of NaN03, percent by weight (min.) Granule size, percent passing through USS sieve size Moisture content and other volatile matter No. 4 min. No. 30 max. Per
17、cent by weight (max.) 97 100 10 0.5 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O-S-634B 68 m 7779774 0008214 9 m O-S-634B 4. QUALITY ASSLIPANCE PROVISIOEJS 4.1 Responsibility -_-.I.- for inspection. Unless otherwise specified in the contract o
18、r purchase orcler, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as othervise specified. , the supplier may utilize his own facilities or any commercial lahoratorv acceptahle to the Government. The Government reserves the right to perform
19、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 Inspection lot. A lot shall consist of sodium nitrate manufactured in one day with the same raw materials and the same manufa
20、cturinq process. 4.2.1 Knit of prcdscL. A unit of prod.uct shall be one container of sod-ium nitrate. 4.2.2 Sampling for tests. Sampling for tests shall he conducted in accordance with MIL-STD-105, Special Inspection Level S-2. Approximate eqiial portions of sodium nitrate shall be taken from each s
21、arnple container, comnosited, and transferred direct- ly to a clean, thoroughly dried bottle labeled to identify the lot and containers from which it was taken. The bottle shall be immediately ticrhtlv stoprered. The total conposited sample shall be no less than one pound. The comnosited sample shal
22、l be used for tests specified in 4.4. All tests shall he performed in duplicate. If the samples fail to meet the requirements of table I, the lot shall he rejected. Examination ofpreparation for delivery. An examination shall be made to 4.3 determine whether the packaging , packing and marking compl
23、y with the requirements of section 5. Defects shall be scored as specified in table II. Sampling shall be in accordance with MIL-STD-105. The sample unit shall be one container fully prepared for delivery. The lot shall be the number of containers offered for inspection at one time. The inspection l
24、evel shall he S-2 with an AQL of 4.0 expressed in terms of defects per hundred units. Containers Contents Markings Materials Workmanship Not as specified. Not as specified. Omitted, incorrect, illegible, improper size location, sequence, or method of application. Component missing or damaged. Bulain
25、g or distortion of containers. Cu- shioning inadequate, immoper or missing. 4.4 Tests. 4.4.1 Sodium nitrate pgi-ty. The sodium nitrate purity shall he determined by the Devarda method or by the Ferrous-Sulfate-Zinc-Soda method specified in the Offi- cial Methods of Analysis issued by the Association
26、 of Official Analytical Chemists, (AOAC) . 4.4.2 Particle size tes&. The samples selecte6 at random as specified in 4.2.2 shall be tested in accordance with Fed. Test Method 536/2101 to determine the size of the sodium nitrate particle. 4.4.3 Moisture content. Transfer a 10 gram (9.) sample of sodiu
27、m nitrate to a previously tared weighing bottle. Heat the bottle and sample in an ove11 for 2 hours at 302t 5F. (150“+ 3OC.). After 2 hours, cover bottle, remove from oven, cool in desiccator and weigh. Calculate the percentage of moisture in the sample as follows: Percent moisture = A - B x 100 W 3
28、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0-S-634B Where: A = Wt. (in g. ) of bottle plus sample before drying. B = Mt. (in 9.) of bottle plus samnle after drying. 1 = Wt. (in 4.) of sample before dryina. 4.5 Inspection of preparation for deli
29、very. The packing and marking of the sodium nitrate shall be inspected to deceE-ncofrnance with the applicable requirements of section 5 of this specification. 5. PPEPARliT1OP.J FOR DELIVERY 5.1 Packing. -.- Packing shall be level A, , or C as specified (see 6.2). 5.1.1 Level A. Sodium nitrate shall
30、 he packed in metal drums conforming to PPP-D-705, type III. Gross weiqht of containers shall not exceed 120 pounds. Containers shall be provised with 0 .O04 inch polyethylene liners seae8 !y heat sealing. the applick-vel E requirencnts of uti-S-48. 5.1.2 Level B. Sodium nitrate shall be packed in s
31、hipping sacks conforming to 5.1.3 Level C. Sodium nitrate shall be packed in a manner that will insure -I_- arrival at destination in satisfactory condition and be acceptable to the carrier at iot7est rates. rules or ZJational Kotor Freight Classification rules. shall be palletized iil accord.ance w
32、ith !IIL-STD-147 (see 6.2) . shipping containers shall be marked in accordance with Fed. StA. 123 or )!IL-STD-129, as applicable (see 6.2). Packinq and narking shall conform to the Department of Transportation rules and regulations for the Transportation of Hazardous Naterials, 49CFR100 to 199. Cont
33、ainers and packin9 shall conply with Uniform Freight Classification 5.2 Palletization. ilken specified, soc?ium nitrate packe6 in accordance v!ith 5.1 5.3 :larking. In addition to any special marking required hy contract or order, 5.4 cornpliance with statutory regulations. 6. NOTES 6.1 Intended use
34、. Sodium nitrate covered by this specification is intended for use in salt baths, and. for the heat treatmmt of metals. For ot!ier uses see 6.3. herein and include.the following information in procurement documents: (a) Title, nmber, and date of this specification. (h) Level of paclr.ing required (s
35、ee 5.1). (c) Xarlring required (sec 5.3). (d) Palletization , if required (see 5.2) . 6.2 Erdering data. Purchasers chou16 select the prefcrrer? options permitted 6.3 Sodium nitrate for pyrotechnics and otier ord.nance applications is covered by MIL-s-322 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
