1、27 October 1986 SUPERSEDING MIL-B-24 155A( SHIPS) 18 May 1967 (See 6.5) MILITARY SPECIFICATION BOILER SCALE REMOVING COMPOUND This specification is approved for use within the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Departmen
2、t of Defense. 1. SCOPE 1.1 Scope. This specification covers a dual packaged compound to be used as a scale remover on medium and high pressure boilers. contain a uniform mixture of crystalline sulfamic acid, anhydrous citric acid, and microfine silica. diethylthiourea. One package shall The other pa
3、ckage shall contain the acid inhibitor, 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specification and standards. The following specification and stan- dards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall b
4、e those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATION FEDERAL PPP-D-723 - Drums, Fiber. STANDARDS FEDERAL FED-STD-313 - Material Safety Data Sheets Preparation and the Submission of. Be
5、neficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Docume
6、nt Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 6850 IIEISC NIA DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited THIS DOCUMENT CONTAINS ra PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without li
7、cense from IHS-,-,-MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. Attributes. 2.1.2 Other Government document. The following other Government document forms a part ofthis specification to the extent specified herein. wise speci
8、fied, the issues shall be those in effect on the date of solicitation. Unless other- DEPARTWNT OF LABOR (OSHA) Code of Federal Regulations (CPR) 29 CFR, Part 1910.1200 - Hazard Communication Standard. I -.(The Code of Federal Regulations (CFR) is for sale on a subscription basis When indicated, repr
9、ints of certain regulations may be obtained from by the Superintendent of Documents, U.S. Government Printing Office, Washington, . DC 20402. the Federal agency responsibl for issuance thereof.) (Copies of specifications and standards required by contractors in connec- tion with specific acquisition
10、 functions should be obtained from the contracting activity or as directed by the contracting activity. ) - 2.2 Order of precedence. In the event of a conflict between the text of this specificatton and the references ci.ted herein (except for associated dilute to the mark and mix. Pipet 10 mL into
11、a 100-mL volumetric flask. Dilute to the mark and mix. Pipet 5 mL of the second dilution into a 100-mL volumetric flask, Dilute to the mark and mix. Measure the absorbance of the final solution at 235 nm. At the same time, measure the absorbance of standard solutions prepared from accurately weighed
12、 0.20, 0.25 and 0.30-gram samples of pure diethylthiourea diseolved and diluted in the same manner as the acid inhibitor sample. Prepare a calibration curve plotting absorbance versus weight (grams) of standard sample per 100-mL final dilution, sample dilution by comparing its absorbance with the ca
13、libration curve. as follows: Determine the diethylthiourea content of the final Caculate Percent Diethylthourea = 100 Q W1 Where : W1 = Weight in grams of sample in final dilution. W2 * Weight in grams of diethylthiourea in final dilution sample. 4.4 Inspection of packaging. Sample packs, and the in
14、spection of the pack- ing and marking for shipment and storage shall be in accordance with the require- ments of section 5 and the documents specified therein. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-VIL-B-24155B b 7997906 OLL50b 2 5. PACKA
15、GING (The packaging requirements ment acquisition.) 5.1 Packing. Packing shal specified herein apply only for direct Govern- be level B or C as specified (see 6.2.1). 5.1.1 Level B. The scale removing compound shall be packed in 45.4-kg (100-pound) quantities of the agent in fiber drums in accordanc
16、e with type III, grade A of PPP-D-723. minimum polyethylene liner containing 43.1 kg (95 pounds) of the acid mixture and a 50-pm (2-mil) minimum polyethylene bag containing 2.3 kg (5 pounds) of acid inhibitor. Drums shall be provided with a 50-micrometer (pm) (2-mil) 5.1.2 Level C. The scale removin
17、g compound shall be packed in 45.4-kg (100-pound) quantities of the agent in fiber drums in accordance with type I, grade A of PPP-D-723. polyethylene liner containing 43.1 kg (95 pounds) of the acid mixture and 50 um (2-mil) minimum polyethylene bag containing 2.3 kg (5 pounds) of acid inhibitor. -
18、 Drums shall be provided with a 50-pm (2-mil) minimum 5.2 Marking. In addition to any special marking specified in the contract or order, shipments shall be labeled and marked in accordance with MIL-STD-129 and with 29 CFR, Part 1910.1200, and shall include the date of manufacture. The following pre
19、cautionary note shall be included. “WARNING: Do not mix scale removing compound with boiler passivator compound, nitrates, or strong oxidizing agents. Fumes and fire may result. Do not breathe fumes. Wash down thoroughly if mixed accidentally. disposed of in accordance with local, state and federal
20、regulations .I Compound shali be 6. NOTES 6.1 Intended use. The scale removing compound covered by this specification is suitable for removing scale and sludge deposits normally found in medium and high pressure marine boilers. 6.2 Ordering data. 6.2.1 Acquisition requirements. Acquisition documents
21、 should specify the following : (a) Title, number, and date of this specification. (b) Level of packing required (see 5.1). (c) Additional marking, if required (see 5.2). 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-24 155B( SH) 6.22 Data
22、requirements. When this specification is used in an acquisi- tion and data are required to be delivered, the data requirements identified below shall be developed as specified by an approved Data Item Description (DD Form 1664) and delivered in accordance with the approved Contract Data Requirements
23、 List (CDRL), incorporated into the contract. of DoD FAR Supplement, Part 27, Sub-Part 27.410-6 (DD Form 1423) are invoked and the DD Form 1423 is not used, the data specified below shall be delivered by the contractor in accordance with the contract or purchase order require- ments. following parag
24、raphs, When the provisions Deliverable data required by this specification are cited in the rl) Paragraph no. Data requirement title Applicable DID no. Option 3.104, 4.2.2 Certificate of compliance DI-E-2 12 1 4.2.2 Test report DI-T-2072 V - -e- ak (Data item descriptions related to this specificati
25、on, and identified in section 6 will be approved and listed as such in DoD 5010.12-L., AMSDL. of data item descriptions required by contractors in connection with specific acquisition functions should be obtained from the Naval Publications and Forms Center or as directed by the contracting officer.
26、) Copies 6.2.2.1 The data requirements of 6.2.2 and any task in sections 3, 4, or 5 of ths specification required to be performed to meet a data requirement may be waived by the contracting/acquisition activity upon certification by the offeror that identical data were submitted by the offeror and a
27、ccepted by the Government under a previous contract for identical item acquired to this speci- fication. contract regardless of whether an identical item has been supplied previously (for example, test reports). This does not apply to specific data which may be required for each 6.3 Material safety
28、data sheets. Contracting officers will identify those activities requiring copies of completed Material Safety Data Sheets prepared in accordance with FED-STD-313 and 29 CFR 1910.1200. ing addresses for submission of data are listed in appendix B of FED-STD-313. The pertinent Government mail- 6.4 Su
29、bject term (key word) listing. Citric acid Diethylthiourea Scale remover Silica microfine Sulfamic acid 6.5 Changes from previous issue. Asterisks are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of the changes, Preparing activity: Navy - SH (Project 6850-N799) 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
