1、O-I-L279B 9999974 OL44987 T94 MEASUREMENT SENSITIVE - YB June 30. 1993 SUPERSEDING O-I-I279A(SH) November 24, 1980 (See 6.4) FEDERAL SPECIFICATION ION EXCHANGE RESINS This specification was approved by the Commissioner, Federal Supply Service, General Services Administration, for use of all Federal
2、Agencies. 1. SCOPE 1.1 Scope. This specification covers general purpose synthetic styrene- divinylbenzene organic anion and cation exchange resins that demineralize or treat water by replacing negative (nonmetal) ions with hydroxide (OH-) ions or positive (metal) ions with hydrogen (H) ions. 1.2 Cla
3、ssification. Ion exchange resins shall be of the following classes, as specified (see 6.2). Class 1 - Sulfonated cross-linked styrene-divinylbenzene cation exchange Class 2 - Trimethylamine type styrene-divinylbenzene quaternary anion Class 3 - Mixed bed. resin in the hydrogen (H) form. exchange res
4、in in the hydroxide (OH-) form. A chemically equivalent mixture of hydrogen form cation resin and hydroxide form anion resin. 2. APPLICABLE DOCUMENTS 2.1 Government documents 2.1.1 Specifications. standards, and handbooks. The following specifications, standards, and handbooks form a part of this do
5、cument to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MI LI TARY MS27684 -
6、Drum, Metal Shipping and Storage - 3 to 12 Gallons. STANDARDS FEDERAL FED-STD-123 - Marking for Shipment (Civil Agencies). FED-STD-313 - Material Safety Data, Transportation Data and Disposal Data for Hazardous Mateials Furnished to Government Activities. Beneficial comments (recommendations, additi
7、ons, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, ATTN: SEA 03442, Naval Sea Systems Command, 2531 Jefferson Davis Hwy, Arlington, VA 22242-5160 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing
8、at the end of this document or by letter. 1 LSC N/A FSC 6810 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0-1-1279B m 9999974 OL449 920 0- I - 1279B MILITARY MIL-STD
9、-129 - Marking for Shipment and Storage. MIL-STD-147 - Palletized Unit Loads for 40“ x 48“ Pallets. (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadel
10、phia, PA 19111-5094.) specification to the extent specified herein (see 6.2). identified, the issue in effect on date of invitation for bids or request for proposal shall apply: 2.2 NonGovernment Dubications. The following documents form a part of this Unless a specific issue is AMERICAN SOCIETY FOR
11、 TESTING AND MATERIALS (ASTM) D 1193 - Specification for Reagent Water. D 2187-82 - Physical and Chemical Properties of Particulate Ion- Exchange Resins. D 2687 - Sampling Particulate Ion-Exchange Materials. D 3375 - Column Capacity of Particulate Mixed Bed Ion-Exchange D 3951 - Standard Practice fo
12、r Commercial Packaging. D 4456 - Physical and Chemical Properties of Powdered Ion- D 4548 - Anion-Cation Balance of Mixed Bed Ion-Exchange Resins. Materials. Exchange Resins. O (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelph
13、ia, PA 19103-1187.) STANDARD METHODS FOR THE EXAMINATION OF WATER AND WASTEWATER (17TH EDITION) Method Fe 3500 D - Iron by Orthophenanthroline. Method Cu 3500 D - Copper by Neocuproine. SP Method Na 3500 D - Flame Emission Photometric Method. Method 4110 B - Ion Chromatography with Chemical Suppress
14、ion of Eluant Conductivity. (Application for copies should be addressed to the American Public Health (Non-Government standards and other publications are normally available from These documents also Association, 1015 15th Street, N.W., Washington, DC 20005.) the organizations that prepare or distri
15、bute the documents. may be available in or through libraries or other informational services.) 3. REQUIREMENTS 3.1 Class 1 - Hvdrogen-form cation resins. Class 1 resins shall be unused, fully hydrated, styrene-divinylbenzene, sulfonic acid resins in the hydrogen form meeting the following requiremen
16、ts of table I. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0-1-1279B W 9999974 0144989 867 Characteristic Requirements Solids, percent as received 48.0 2 3.0 Particle size, percent by volume Retained on 16 mesh 2.0 maximum Passing through 40 me
17、sh 2.0 maximum Available cationic salt-splitting capacity, milliequivalents per gram dry 4.8 minimum Non-permissible impurities, milligrams per kilogram as received Total ash 200 maximumiJ Iron as Fe 50 maximum Copper as Cu 100 maximum Water extractable 250 maximum 1/ - The determination of copper a
18、nd iron may be omitted if the -total 0-1 -1279B Test 4.4.1 4.4.2 4.4.2 4.4.3 4.4.5.1 4.4.5.1.2 4.4.5.1.3 4.4.5.2 ash is not TABLE I. Class 1 resin reauirements. Non-permissible impurities, milligrams per kilogram as received Total ash Sodium as Na O 200 maximumlJ 100 maximum Characteristic Solids, p
19、ercent as received Requirements 41.0 3.0 Particle size, percent by volume Retained on 16 mesh Passing through 40 mesh Total anion capacity, milliequivalents per gram as received Hydroxide, percent of sites Carbonate, percent of sites Chloride, percent of sites Sulfate, percent of sites 2.0 maximum 2
20、.0 maximum 1.7 minimum 90.0 minimum 8.0 maximum 2.0 maximum 2.0 maximum Test 4.4.1 4.4.2 4.4.2 4.4.4.4 4.4.4.1 4.4.4.1 4.4.4.2 4.4.4.3 4.4.5.1 4.4.5.1.1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-0-I-1277B 9999774 0344990 589 Anion-cation balanc
21、e, milliequivalents per milliequivalent as received 0-I-1279B 1.1 one for tests and one for the contractor. sample shall contain not less than one liter of resin for classes 1 and 2 and not less than two liters of resin for class 3. The quartering procedure of section 9 shall be omitted but each sam
22、ple shall contain material from every sampled package. When ackage markings allow, sampling of class 3 resin shall include a 500 milliriter (mL) sample from each of the first and the last packages of the lot. These samples shall not be composited but shall be retained in separate sealed containers,
23、marked with the number of the drums from which they were sampled and used for the anion-cation balance of 4.4.6. laboratory satisfactory to the acquisition activity with a copy of the contractors data (see 6.2). Failure of the material to conform to any one of the tests of this specification during
24、inspection shall be cause for rejection of the entire lot represented by the sample. If, in the opinion of the contractor, the failure was due to a faulty test method, the tests may be repeated on the contractors retained sample. If that sample also fails, the lot represented by the sample shall be
25、rejected. Each 4.2.3.1 When Government tests are required, samples shall be forwarded to a 4.3 Retests and rejection. 4.4 Test procedures. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O-I-1279B W 9999974 0144993 298 O- I - 1279B 4.4.1 Percent so
26、lids (classes 1. 2. and 3). The percent solids content shall be determined in accordance with ASTM D 4456 method B (see 4.4.3). 4.4.2 Particle size (classes 1. 2. and 3) The particle size distribution shall be determined in accordance with ASTM D 2187-82 method D or b beam in an aqueous stream. In t
27、he event of controversy, the optical sizing method shall be the referee method. resins are available from HIAC/ROYCO, Division of Pacific Scientific, 141 Jefferson Drive, Menlo Park, CA 94025. The optical sizing instrument shall have a minimum of six channels but the use of a 32 channel instrument i
28、s recommended. The range of the channels shall be set from 1400 micrometers to 150 micrometers. An E2500 sensor is suitable for particle size measurement. The optical sizing instrument shall be calibrated with a minimum of three certified samples of known particle size ranging from 1000 to 300 micro
29、meters. Suitable calibration standards are available from Duke Scientific Corporation, P.O. Box 50005, Palo Alto, CA 94303. an optical sizing method that sizes and counts particles passing through a col K imated light Optical sizing instruments for sizing ion exchange Three samples, each weighing no
30、t less than 1.5 grams (g), of the as received resin (wet) shall be measured. Each sample shall be fed to the sensor at a concentration not greater than 4 particles per milliliter of water while stirring at a rate to keep the particles in suspension without sucking air into the system. The feed syste
31、m shall be constructed so as to feed the entire sample. When the instrument automatically calculates the volume percentages from the number of particles per channel, the values for the volume percent retained on 16 mesh (1190 micrometers) and through 40 mesh (420 micrometers) for the individual port
32、ions counted shall be averaged and the average reported. When the volume percentages are not automatically calculated, the volume of particles in a channel shall be obtained by multiplying the number of particles counted in the channel by the appropriate factor for the channel. convert to volume for
33、 each channel are determined by first calculating the volume factor for the points at which the channels are set. The square root of the product of the volume factors for the two channel limits is then used as the factor to calculate the volume of particles between them. are added and the volume per
34、centages retained in each channel calculated in accordance with ASTM D 2187-82 method D. When graphing the results, the convention that the volume passing through 20 mesh and retained on 30 mesh is plotted at 30 mesh (600 micrometers) shall be followed. Each sample shall be counted and calculated in
35、dividually and the results averaged to obtain the values to be reported. cationic salt-splitting capacity shall be determined in accordance with sections 55.1 through 55.1.3 of ASTM D 2187-82 method G. Calculate the salt-splitting capacity in milliequivalents per gram dry (meq/g dry) from ER, define
36、d as the average titrations of section 55.1.3, and the percent solids determined in 4.4.1 as follows : Factors to O The resin volumes of each channel 4.4.3 Available cationic salt-splitting capacitv (class 1). The available ER x “aOH % Solids Cation salt-splitting capacity, meq/g dry = x 100 Three s
37、amples shall be calculated individually and their average reported. 4.4.4 Anion exchange - capacities (class 2 and 3). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O-I-3279B W 9999974 0344994 124 O- I - 1279B 4.4.4.1 Percent of sites in hydroxid
38、e and carbonate forms (class 2). The percent of anion sites in the hydroxide and carbonate forms shall be determined in accordance with ASTM D 2187-82 method K (see 4.4.4.2, 4.4.4.3, 4.4.4.4 and 4.4.6). Calculate the percent sites as follows with RI S, C and D as defined in section 90.1: O (2R - S)
39、x “C1 x 100 (C - D) x AgNO, Percent hydroxide sites = (S - R) x “C1 x 200 Percent carbonate sites = (C - D) x AgN03 Three samples shall be calculated individually and their average reported. 4.4.4.2 Percent of sites in chloride form (class 2 and 31. Determine the percent chloride sites in accordance
40、 with ASTM D 2187-82 method J or Standard Method 4110 B. Method 4110 By analyze for both chloride and sulfate simultaneously (see 4.4.4.3) by diluting 5 mL of the solution generated in section 89.1 to 100 mL. Standards shall be prepared in the same dilution of the sodium nitrate used in the elution.
41、 samples shall be calculated individually and their average reported. percent sulfate sites in accordance with ASTM D 2187-82 method L or Standard Method 4110 B. The solution generated in section 89.1 of ASTM D 2187-82 method K may be used as well as the values of C and D determined in 4.4.4.1. aliq
42、uot is used from each sample. When 200 mL aliquots are used, the calculation may be simplified to: The solution enerated in section 89.1 of ASTM D 2187-82 method K may be used as well as the va f ues of C and D determined in 4.4.4.1. When using Standard Three 4.4.4.3 Percent of sites in sulfate form
43、 (class 2 and 3). Determine the A single 200 mL Percent sulfate sites = 428 x W (C - D) x NAgNO, When using Standard Method 4110 B, analyze for both chloride and sulfate simultaneously (see 4.4.4.2) by diluting 5 mL of the solution generated in section 89.1 to 100 mL. Standards shall be prepared in
44、the same dilution of the sodium nitrate used in the elution. their average reported. equivalents per gram as received (meq/g wet) shall be determined from the values of C and D obtained in ASTM D 2187-82 method K (see 4.4.4.1) as follows: Three samples shall be calculated individually and 4.4.4.4 To
45、tal anion capacity (class 2). The total anion capacity in milli- (C - D) x NAgN03 Total anion capacity, meq/g wet = 2 Three samples shall be calculated individually and their average reported. 4.4.5 Non-permissible impurities (class 1. 2 and 32. 4.4.5.1 Total ash (class 1. 2 and 3). Weigh approximat
46、ely 50 g of as received resin into an ignited and weighed (plus or minus 0.0001 g) platinum dish. Dry in an oven at 104 i 2OC for 2 hours. Heat on a Meker burner at low flame until the resin is thoroughly blackened. Add sulfuric acid if necescary, heating at full flame. 8 Provided by IHSNot for Resa
47、leNo reproduction or networking permitted without license from IHS-,-,-0 Continue ienitin Calcul :8wf:f;,ws : 0-I-1279B m 9999974 0344995 Ob0 m 0-I-1279B until the resin beads are burned awa . Cool in a desicca or and ;e the total ash in milligrams per ki K ogram as received (mg/kg wet) Total ash, m
48、g/kg wet = A - C x 1,000,000 B-C Where : A = Weight of dish plus ash. B = Weight of dish plus sample. C = Weight of dish. Report the average of two samples. with approximately 50 mL of ASTM D 1193 type I reagent water at 90C. extract through Whatman No. 41 filter paper collectin the filtrate in a 10
49、0 mL sodium in the filtrate by flame emission spectroscopy, Method Na 3500 D, or by ion chromatography, Method 4110 B. Calculate sodium as Na in mg/kg wet as follows: 4.4.5.1.1 Sodium as Na (class 2 and 3). Extract the ash formed in 4.4.5.1 Filter the volumetric flask. Dilute to volume. Save the paper s or 4.4.5.1.2. Determine Sodium as Na, mg/kg wet - Sodium as Na. milliFrams/100 mL x 1,000 Grams of sample used Report the average of two samples. return the p
