1、flIL-D-537F = 06 LOZOZOY 67T INCH-POUND 1 MIL-D-537F 7 April 1992 SUPERSEDING MIL-D-537E 26 July 1974 MILITARY SPECIFICATION DISK, COLOR STANDARDS This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers dieks
2、for uee in comparatore conforming to MIL-C-538. 1.2 Classification. The disks shall be of the following types and classes, as specified (see 6.2): Type I - pH. Class 1 - Range 3.0 to 4.6. Class 2 - Range 4.4 to 6.0. Class 3 - Range 6.0 to 7.6. Class 4 - Range 7.6 to 9.2. Class 5 - Range 6.8 to 8.4.
3、Class 6 - Range 8.6 to 10.2. Class 7 - Range 3.0 to 7.0. Class 8 - Range 3.0 to 11.0. Beneficial comments (recommendations, additione, deletions) and any pertinent data which may be of use in improving this document should be addreeeed to: USA Belvoir Research, Development, and Engineering Center, A
4、TTN: STRBE-TSE, Fort Belvoir, VA 22060-5606, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. a FSC 6630 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo repr
5、oduction or networking permitted without license from IHS-,-,-MIL-D-537F 0b LO20205 50b MIL-D-537F Type II - Chlorine, ppm. Class 1 - Range 0.1 to 5.0. Class 2 - Range 3.0 to 10.0. Class 3 - Range 0.1 to 2.0. Class 4 - Range 0.1 to 10.0. Class 5 - Range 0.1 to 10.0. Class 6 - Range O to 250. Class 7
6、 - Range 0.1 to 10.0. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the iasue
7、of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL L-P-3 7 8 - Plastic Sheet and Strip, Thin Gauge, Polyolefin. PPP-B-5 6 6 - Boxes, Folding, Paperboard. PPP-B-601 - Boxes, Wood, Cleated-Plyw
8、ood. PPP-B-63 6 - Boxes, Shipping, Fiberboard. PPP-B-6 7 6 - Boxes, Setup. MILITARY MIL-P-116 - Preservation, Methods of. MIL-1-53 6 - Indicator Solutions, pH Determination (for Water MIL-C-538 - Comparator, Color. Supply Testing). STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for
9、Inspection by MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-130 - Identification Marking of U.S. Military Property. Attributes. (Unless otherwise indicated, copies of Federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk,
10、Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-537F W 9999906 3020206 i.1112 MIL-D-537F 2.1.2 Other Government documents and drawinas. The following other Government documente an
11、d drawings form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those in effect on the date of the eolicitation. DRAWINGS TA13200E7430 - Disks, Color Standards. (Copies of drawings required by contractors in connection with specific acquisition func
12、tions should be obtained from the USA Belvoir Research, Development, and Engineering Center, ATTN: STRBE-FSQ, Fort Belvoir, VA 22060-5606.) DEPARTMENT OF COMMERCE, NATIONAL BUREAU OF STANDARDS Research Paper 2619 - pH Values of the Clark and Lub6 Buffer Solutions at 25 OC. (Application for copies sh
13、ould be addressed to the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.) (Copies of specifications, standards, drawings, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contrac
14、ting activity or as directed by the contracting activity.) 2.2 Non-Government DUbliCatiOnS. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DODISS
15、 cited in the solicitation. Unless otherwise specified, the issues of documents not lieted in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN PUBLIC HEALTH ASSOCIATION, INC. (APHA) Standard Methode for the Examination of Water and Wastewater. (Application for
16、 copies should be addressed to the American Public Health Association, Inc., 1015 Fifteenth Street, NW, Washington, D.C. 20005.) AMERICAN WATER WORKS ASSOCIATION, INC. (AWWA) Journal, Volume 35, No. 8, August 1943 - Colormetric Determination of Chlorine Residuals up to 10 PPM with Orthotolidine. (Ap
17、plication for copies should be addressed to the American Water Works Association, Inc., 6666 West Quincy Avenue, Denver, CO 80235.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-537F W 9999906 1020207 389 = MIL-D-537F NATIONAL MOTOR FREIGHT
18、 TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the American Trucking Association, Inc., ATTN: Traffic Order Section, 2200 Mill Road, Alexandria, VA 22314.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ru
19、les (Application for copies should be addressed to Uniform Classification Committee, ATTN: Tariff Publishing Officer, Room 1106, 222 S. Riverside Plaza, Chicago, IL 60606.) (Nongovernment Standards and other publications are normally available from the organizations that prepare or distribute the do
20、cuments. also may be available in or through libraries or other informational services.) These documenta 2.3 Order of Drecedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document shall take precedence. Nothing in this document, h
21、owever, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 DescriDtion. The disks shall be in accordance with TA13200E7430 and as specified herein. 3.1.1 Drawinas. The drawings forming a part of this specification are end product drawin
22、gs. No deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. tolerances could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescribed on the drawings to insure correct fit, assembly, and
23、 operation of the disks. Any data (e.g. shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obtained from a vendor to support fabrication and manufacture of the production item shall be made available, upon request, for inspection by the contracting office
24、r or his designated representative. Where 3.2 First article. Unless otherwise specified (see 6.2), a sample shall be subjected to firmt article inepection (see 6.3) in accordance with 4.3. 3.3 Materials. Materiale shall be as specified herein and on the drawings. Materials not specified shall be sel
25、ected by the contractor and shall be subject to all provisions of this specification. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-dI t MIL-D-537F 7999906 LO20208 215 MIL-D-537F 3.3.1 Haterial deterioration Drevention and control. The disks shal
26、l be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operation and storage environment to which the disks may be exposed. 3.3.2 Identificati
27、on of material and finishes. The contractor ahall identify the specific material, material finish or treatment for use with components and subcomponents, and shall make information available, upon request, to the contracting officer or deaignated representative. 3.3.3 Recovered materials. For the pu
28、rpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from virgin raw materials. The components, pieces and parts incorporated in the disks may be newly fabricated from recov
29、ered materials to the maximum extent practicable, provided the disks produced meets all other requirements of this specification. Used, rebuilt or remanufactured components, pieces and parts shall not be incorporated in the disks. 3.3.4 Circular inserts. Inserts identifying the value of glass standa
30、rds shall be plastic material, black printing on white or tan background. 3.4 Construction. 3.4.1 Circular inserts. The identifying circular inserts shall conform to figure 1, item B. Inserts identifying the value of the glass color standards shall be permanently fastened at a location 140 degrees c
31、ounterclockwise from the glass color standards. 3.4.2 Glass color standards and filters. The glass color standards shall conform to figure 1, item A. The glase filtere, when required, shall conform to figure 1, item C, and shall be located in the center of the disk. Glass color standards and filters
32、 shall be free of cracks, scratches, bubbles, blisters, inclusions, nonuniformity of color, and other defects that will adversely affect their use. When tested as specified in 4.5.2.5, glase color standards shall withstand without damage the thermal shock incurred when removed from solid carbon diox
33、ide (dry ice) and immediately immersed in boiling water. 3.5 Performance. 3.5.1 Characteristics and accuracy. 3.5.1.1 Tvise I (pH) disk. The CharaCteri8tiCS and accuracy of type I disks shall conform to table I, and, unless otherwise specified (see 6.2), shall be standardized for use with the indica
34、tor solutions specified, using viewing tubes having a 26 millimeters (mm) viewing depth. The coloring of the glass color Standards shall be such that the same reading shall be obtained when used with diffused daylight, incandescent light, or white fluorescent light. 5 Provided by IHSNot for ResaleNo
35、 reproduction or networking permitted without license from IHS-,-,-MIL-D-537F = 777990b 1020207 151 m MIL-D-537F 3.5.1.2 Tme II (chlorine) disks. When tested as specified in 4.5.2.4 or 4.5.2.7, as applicable, the characteristics of type II disks shall conform to table II and the accuracy of classes
36、1, 2, 3, 6, and 7 disks shall conform to table III. Unless otherwise specified (see 6.2), the disks shall be standardized for une with acid orthotolidine indicator solution using viewing tubes having a 26 mm viewing depth. The class 4 and 5 disks shall match the master color standard disk (see 3.8).
37、 The coloring of the glass color standard shall be such that the same reading will be obtained when used with diffused daylight, incandescent light, and white fluorescent light. TABLE I. Characteristics and accuracv of tme I disks. Class Range 3.0 to 4.6 4.4 to 6.0 6.0 to 7.6 7.6 to 9.2 6.8 to 8.4 8
38、.6 to 10.0 3.0 to 7.0 3.0 to 11.0 Interval 0.2 0.2 0.2 0.2 0.2 0.2 0.5 1.0 Tolerance f0.04 10.04 10.04 *O. 04 *O. 04 *O. 04 *O. 04 * Indicator solutions Bromophenol blue conform- ing to CAS 62625-28-9 Bromocresol green- bromo- cresol purple conforming to MIL-1-536, type I Thymol Blue = 3,3-Dibromo-
39、thymolsulfonaphthalein Cresol red-thymol blue conforming to MIL-1-536, type II Phenol red D Phenolphthalein D, commercial grade Wide range indicator solut ion Wide range indicator aolut ion * Shall match master color standard disk (see 3.8) or buffered indicator solution specified in 4.5.2.1. If pro
40、cedures specified in 4.5.2.1 are used, tolerance on each value shall be fO.l pH. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c Class 1 2 3 4 “5 6 *7 MIL-D-537F W 7799706 10202LO 733 = MIL-D-537F TABLE II. Characteristics of twe II disks. Range
41、0.1 to 5.0 3.0 to 10.0 0.1 to 2.0 0.1 to 10.0 0.1 to 10.0 0.5 to 250 0.1 to 10.0 Residual chlorine values in ppm 0.1, 0.3, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, and 5.0 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.5, 8.0, and 10.0 0.1, 0.15, 0.2, 0.35, 0.5, 0.75, 1.0, 1.4, and 2.0 0.1, 0.15, 0.25, 0.5, 1.0, 1.5, 2.5, 5
42、.0, and 10.0 0.1,0.4, 0.7, 1.0, 1.5, 2.0, 3.0, 5.0, and 10.0 0.5, 15, 25, 50, 75, 100, 150, 200, and 250 0.1, 0.4, 0.7, 1.0, 1.5, 2.0, 3.0, 5.0, and 10.0 * Shall match master color standard. * Shall be a DPD disk which determines free chlorine. 7 Provided by IHSNot for ResaleNo reproduction or netwo
43、rking permitted without license from IHS-,-,-MIL-D-537F m 9999906 LO20222 BOT m MIL-D-537F - P m m id rl V W m : rl V - * m m id rl V m m : rl V - CY m m id rl V - d m m id rl u - * W +*m I mmm -ICY . 4 mCYCYCY o .I .ddd .m WWCY . dill INWII + .+ m O000 .mmomomom odCYmPd4CYCY 4 o*l-om .N -0Od I d II
44、I1 O 40 . om 0 .e . .m. owomo I *OddVI I I *I + + + + mm O ddCYmOmm0 *o OoOodCYmd 4 O e PO O o4 d *lPll do -O O m o * . -4 O W om I *IOIdd I * *I A+ + + + + d4NmmPO*o 000000rl4 I mom m NmmN dhirnd I 110 . ui CYOdrnl 1111 * + + O omomoomo *o mm*-mwt-a0ri I CYCY“ d44d -a) .- *OJO m O I d W NU) O O de4
45、 I .w I II mwo N O SOO .d . .m m. CY *mo *I O Id *II*I + + + 4mmomooo mm m oooorlr(mm Y 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-537F 0b 1020222 74b = MIL-D-537F 3.6 Product ident if icat ion. 3.6.1 SDecification Dart number. Definitiv
46、e specification part teme described in this specification shall be formatted as shown numbers for n 6.7 and shall be used in product identification (see 3.6.2.1.1 and 3.6.2.1.2). 3.6.2 Identification markinq. The disks shall be identified in accordance with MIL-STD-130. 3.6.2.1 SDecial markinq. Iden
47、tification marking shall be applied to a plastic insert conforming to figure 1, item D, black printing on white or tan background. 3.6.2.1.1 Disk except tvDe II. clase 6. All disks except type II, class 6 shall be identified as follows: (Name of indicator for which disk is used.) Use 26 mm tubes. 15
48、 milliliter (mi) sample. (Amount of indicator or reagent used.) (Name or registered trademark of the manufacturer.) (Specification part number.) 3.6.2.1.2 Disk tme II. class 6. The type II, class 6 disk shall be identified as follows: (Name of indicator for which disk ita to be used.) a Use 26 mm tu
49、bes. Fill tube with 15 ml of reagent and then add 0.75 ml of water sample. (Name or registered trademark of the manufacturer.) (Specification part number.) 3.7 Items to be furnished with twe II, class 6 disk. Each type II, class 6 disk shall be furnished with a calibrated rubber-nipple dropper graduated and numbered for 0.75 ml. 3.8 Government-lo
