1、Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: Defense Supply Center Richmond, ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616 or by e-mail to STDZNMGTDLA.MIL. Since contact informa
2、tion can change, you may verify the currency of this address information using the ASSIST database at http:/assist.daps.dla.mil. AMSC N/A FSC 6850 NOT MEASUREMENT SENSITIVE A-A-33B 28 July 2009 SUPERSEDING A-A-33A 17 October 1997 COMMERCIAL ITEM DESCRIPTION SCALE REMOVING COMPOUND (LIQUID) The Gener
3、al Services Administration has authorized the use of this commercial item description, for all federal agencies. 1. SCOPE. This CID covers a liquid form scale removing compound, hereafter referred to as “compound”, intended for removing scale deposits from environmental surfaces, commercial dishwash
4、ing machines, and boiler coilers. This compound can be used in laboratories, food handling and processing areas, veterinary areas, and dairy plants. 2. SALIENT CHARACTERISTICS. 2.1 Materials. Unless otherwise specified herein, materials shall be in accordance with the manufacturers material specific
5、ations. The compound shall be a uniform liquid, free of sediments and suspended particles, and shall contain a corrosion inhibiting agent and a wetting agent. 2.1.1 Phosphoric acid (as P2O5). The compound shall have a phosphoric acid content of not less than 30.0% and not more than 40.0% when determ
6、ined in accordance with ASTM D820 Electrometric Titration Method. 2.1.2 Hydrogen-ion concentration (pH). The compound shall have a pH of not more than 2.0 when determined in accordance with ASTM E70. 2.1.3 Citric acid. The compound shall have a citric acid content of more than 6% when determined in
7、accordance with ASTM D4608. 2.1.4 Hydrochloric acid (HCl). The compound shall contain not more than 10% HCl when determined in accordance with the manufacturers standard practice. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-33B 2 2.1.5 Exclud
8、ed ingredients. The compound shall not contain sulfuric acid or organic solvents. 2.2 Surface tension. The compound shall have a surface tension not greater than 8.08 x 10-3poundals per inch (44.0 dynes per centimeter) when measured in accordance with ASTM D1331 using a sample at 77F (25C) in a 1% a
9、queous solution. 2.3 Corrosive effects on steel. The compound, in a 1% distilled aqueous solution, shall have a corrosive effect on steel of not more than 0.15% loss of mass on 2 inch by 2 inch by 0.053 inch thick (51mm X 51mm X 0.89mm thick) coupons of hot rolled steel after a 24 hour period of imm
10、ersion in the compound. 2.4 Nonvolatile matter. The compound shall have a nonvolatile matter content of not less than 30.0% at 221F (105C) when determined in accordance with ASTM D2834. 2.5 Foaming. The compound shall exhibit no foam at temperatures above 100F (38C). 2.6 Identification and markings.
11、 Identification and markings shall be permanent and legible and shall include, as a minimum, the manufacturers identification code (CAGE) and labeling with instructions for use. 3. REGULATORY REQUIREMENTS. 3.1 Hazardous materials. The compound shall meet all applicable Federal codes and regulations
12、concerning hazardous materials, including package marking. 4. PRODUCT CONFORMANCE PROVISIONS. 4.1 Product conformance. The product shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same pr
13、oduct offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. 4.2 Market acceptability. The compound shall have been sold previously to the Government or to the commercial market in order to qualify for acceptability under this CID 5. PACKAG
14、ING. Preservation, packaging, and marking shall be as specified in the contract or order (see 6.2). 6. NOTES. (This section contains information of a general or explanatory nature that may be helpful but is not mandatory.) Provided by IHSNot for ResaleNo reproduction or networking permitted without
15、license from IHS-,-,-A-A-33B 3 6.1 Referenced documents. American Society for Testing and Materials (ASTM) D820 Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents D1331 Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents D
16、2834 Standard Test Method for Nonvolatile Matter (Total Solids) in Water-Emulsion Floor Polishes, Solvent-Based Floor Polishes, and Polymer Emulsion Floor Polishes D4608 Standard Test Method for Citrates in Detergents E70 Standard Test Method for pH of Aqueous Solutions with Glass Electrode Copies o
17、f these documents can be obtained online at http:/www.astm.org or from American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. 6.2 Ordering data. Acquisition documents must specify the following: a. Title, number, and date of this CID. b. The specific iss
18、ue of individual documents referenced, if required. c. Packing requirements. 6.3 Cross-reference data. Scale removing compound conforming to this CID is interchangeable/substitutable with scale removing compound conforming to P-S-120B, type II, dated April 8, 1977 (cancelled October 17, 1997 with su
19、persession by this document). MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: GSA-FAS Custodian: Preparing Activity: DLA GS DLA GS3 (Project 6850-2009-009) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
