1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-51412 (EA) AMETICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) STANDARDS D1193-72 - Reagent Water. (Application for copies should be addressed to the American Society for Testing and Materials, 1916
2、 Race Street, Philadelphia, Pennsylvania 19103 ) (Technical society and technical association specifications and standards are generally available for reference from libraries. tributed among technical groups and using Federal agencies. ) They are also dis- Munsell Book of Color (The Munsell Book of
3、 Color may be obtained from the Munsell Color Company, Inc., 2441 N, Calvert Street, Baltimore, Maryland 21218. ) 3. REQUIREMENTS 3.1 Chemical and physical characteristics. The dye shall conform to the chemical and physical characteristics of table I when tested as specified therein. Table I. Chemic
4、al and physical characteristics . Requirement : Test : Characteristic : Minimum : Maximum : paragraph : : Molar absorptivity at 560 - + 4 : nanometers (nm) : Volatile matter at 70 to 75 C, : percent by weight : Particle size, percent by weight : retained on: 4.9 x lo4 I - i 4.2.4.1 I - : 3.0 : 4.2.4
5、.2 : : 4.2.4.3 : 149-micron (No. 100) -sieve - :3 * 74-micron (No. 200) sieve - :5 3.2 Characteristics of paper containing dye. A paper approximately 6 mils thick and containing 0.6 + 0.2 percent by weight of the dye shall be prepared from strong-bleached sulfrte or sulfate puip (see 6.5). the paper
6、 shall be verified by testing the paper as specified in 4.2.4.4. The dye content of 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-51412( EA) 3.2.1 Color. The color of the paper shall match one of the Munsell colors listed in table II when t
7、ested as specified in 4.2.4.5, Table II. Munsell colors for paper containing ye Hue Value : Chroma 2.5Y 9 : 0.5,1,2 : 5 .OY 9 9 9 7.5y 5.0 10. OP 9 5 .OW 9 10. ow 9 5.OR 8 ,9 N 9.0 N 9.5 : 0.5,1,2 : 0.5J 1 1 1 1 1 . 3.2.2 Color stain produced by isoamyl salicylate. When one drop of isoamyl salicylat
8、e is applied to the paper as specified in 4.2.4.6, a visible color stain shall be produced within 10 seconds. stain shall match one of the Munsell colors listed in table III. The color of the Table III. Munsell colors for stain produced by isoamyl salicylate . Hue Value : Chroma 12 12 12 5 4 10. ow
9、5 10 ORP 6 7.5m 2.5 : 10,12,14 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection, Unless otherwise specified in the contract or purchase order, the supplier is responsible for the perform- ance of all inspection requirements as specified herein. wise specified in the contract or orde
10、r, the supplier may use his own or any other facilities suitable for the performance of the inspection require- ments specified herein, unless disapproved by the Government. reserves the right to perform any of the inspections set forth in the spec- ification where such inspections are deemed necess
11、ary to assure supplies and services conform to specified requirements. Except as other- The Government 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-51412 (EA) 4.2 Quality conformance inspection. 4.2,l Lotting. A lot shall consist of the dy
12、e produced by one man- ufacturer, at one plant, from the same materials, and under essentially the same manufacturing conditions provided the operation is continuous. In the event the process is a batch operation, each batch shall constitute a lot (see 6.3). 4.2.2 Sampling. 4.2.2.1 For examination o
13、f preparation for delivery. Sampling for exam- ination of preparation for delivery shall be conducted in accordance with MIL-STD-105, inspection level S-4, using an AC& of 2.5 percent defective. 4.2.2.2 For test. Sampling for test shall be conducted in accordance with table IV. shall be removed from
14、 each sample container and placed in a suitable clean, dry container labeled to identify the lot and container from which it was t &en. A representative specimen of approximately 50 grams (g) Table IV. Sampling for test : Number of containers in batch or lot: Number of sample containers : 2 to 25 2
15、26 to i50 3 151 to 1,200 5 1,201 to 7,000 8 7,001 to 20,000 10 Over 20,000 20 4.2.3 Inspection procedure. 4.2.3.1 For examination of preparation for delivery. The sample unit shall be one filled container, ready for shipment. the preparation for delivery thereof shall be examined for the following d
16、efects using an AQL of 2.5 percent defective: Sample containers and (a) (b) Container not as specified (c) (a) Container damaged or leaking (e) Polyethylene liner missing (f ) Contents per container not as specified Container closure not as specified Marking incorrect, missing , or illegible 4.2.3.2
17、 For test. Each sample specimen taken in 4.2.2.2 shall be tested as specified in 4.2.4. he cause for rejection of the lot represented. Failure of any test by any specimen shall 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-SLqL2 68 7777906
18、OL2L722 7 MIL-D-51412 (EA) 4.2.4 Tests. Water in accordance with ASTM D1193-72 and reagent grade chemicals shall be used throughout the tests. Where applicable, blank determinations shall be run and corrections applied where significant. Tests shall be conducted as follows: 4.2.4.1 Molar absorptivit
19、y. Weigh to the nearest 0.1 milligram (mg) approximately 0.35 g of specimen into a 500-milliliter (mi) volumetric flask. Add 350 mi of chloroform and stir to solution using a magnetic stirrer, if required. with chloroform, and shake thoroughly to mix. Pipet 10 ml of the solution into a LiOO-ml volum
20、etric flask, dilute to the volume mark with chloroform, and mix thoroughly. 10-millimeter silica cells, and chloroform in the reference cell, run an absorbance curve of the solution from 450 to 600 nm. same range using chloroform in both cells. Calculate the molar absorptivity as follows: Remove the
21、 stirring bar, dilute to the volume mark Using a suitable double-beam recording spectrophotometer, Run zero line in the Read the absorbance at 560 - + 4 nm. Molar absorptivity = 879A BC where: A = Blank-corrected absorbance at 560 + 4 nm, B = Cell path length in centimeters, and C = Effective specim
22、en concentration in grams per liter. 4.2.4.2 Volatile matter. Weigh to the nearest 0.01 g approximately 5 g of the specimen into a glass-stoppered weighing bottle and weigh to the nearest milligram. 75 C. milligram. Remove the stopper and dry to constant weight at 70 to Cool to room temperature in a
23、 desiccator and weigh to the nearest Calculate the percent by weight volatile matter as follows: Percent volatile matter = 100(A - B) W where: A = Weight of specimen and stoppered bottle before heating in grams, B = Weight of specimen and stoppered bottle after heating in grams, and W = Weight of sp
24、ecimen in grams. 4.2.4.3 Particle size. Use sieves conforming to RR-S-366. Xest the sieves specified in table I in order of decreasing mesh size (with the larger mesh sieve on top) on a receiving pan, Weigh to the nearest 0.1 g approximately 10 g of the specimen. Mix the specimen with sufficient wat
25、er in a beaker by stirring with a glass rod to produce a smooth paste. paste across the sieves with a soft brush for about 2 minutes adding more water. oven at 70 to 75 C, cool to room temperature, and weigh the material re- tained on each size. Calculate the percent by weight material retained on e
26、ach sieve. Carefully brush the (The use of a wetting agent is permitted.) Dry the sieves in an 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-53432 68 W 9999906 0323923 O W MIL-D-51412 (U) (a) Stadard solution, Prepare a standard solution of
27、 the dye used to make the paper in accordance with the procedure used for the sol- ution tested in 4.2.4.1. (b) Specimen solution. Cut a piece of the paper weighing approximately 0.9 g and weigh to the nearest 0.1 mg. 20- to 30-ml portions of chloroform until the extract is no longer colored. Quanti
28、tatively transfer each extract to a 500d volumetric flask. the combined extracts to the volume mark with chloroform and mix thoroughly, Extract the dye with Dilute (c) Procedure, Run absorbance curves of the standard solution and of the specimen solution using the spectrophometric procedure specifie
29、d in 4,2.4,1. solution at 560 2 4 nm. as follows: Read the absorbance of the standard solution and specimen Calculate the percent by weight dye in the paper Percent dye = 2AE BD - where: A = Blank-corrected absorbance of specimen solution at 560 3- 4 nm, B = Blank-corrected absorbance of standard so
30、lution at 560 - + 4 nm, D= Weight of paper in grams, and E = Weight of specimen used to make standard solution in grams, 4.2.4.5 Color of paper contaid. Determine the Munsell color of 4.2.4.6 Color stain produced by isoamyl salicylate, Place one drop (0.2 mi) of isoamyl salicylate on the paper and m
31、easure the time required for the development of a stain. color of the stain by comparison with a Munsell Book of Color. the paper by comparison with a Munsell Book of Color. After 10 seconds, detemine the Munsell 5. PREPARATION FOR DELIVERY 5.1 Packing, level C. A quantity of 50 (+1/2 or -0) pounds
32、of dye shall be packed in a nominal l5-gallon capacity steel drum having a fully- removable gasketed cover. film liner which shall be closed by tying, knotting, or heat sealing. dye shall be packed in a manner to prevent alteration of contents and to assure safe delivery to destination without damag
33、e or leakage. shall be packed to meet carrier acceptance at lowest rates in compliance with requirements of carrier rules and regulations applicable to the mode of transportation. Each drum shall be furnished with a polyethylene The The dye 6 Provided by IHSNot for ResaleNo reproduction or networkin
34、g permitted without license from IHS-,-,-I The color of the dye and the statement “FOR 148 PAPER“ shall be Nomenclature as cited in the contract or purchase order shall National Stock Number (NSN) or part number when NSN is not given Government contract or purchase order number Net weight of content
35、s Lot number, date of manufacture, and date of pack Contractor c name Additional markings as may be required by the contract and the Appropriate address markings marked on each drum be applied to the cover and side of each drum contractors policies and procedures 6. NOTES in the manufacture of M8 ch
36、emical agent detector paper. I mixing operation intended to make the final product substantially uniform. 6.4 Significant places. For the purpose of determining conformance with this specification, an observed or calculated value should be rounded off “to the nearest unit“ in the last right-hand pla
37、ce of figures used in ex- pressing the limiting value, in accordance with the rounding-off method of the Recommended Practices for Designing Significant Places in Specified Limiting VLuec (ASTM 29). Paper Dyes, “ Report- No, 11 , August, 1969, available from Edgewood Arsenal. However, the Government
38、 makes no warranty that paper made in this manner Will meet the requirements of this specification. requirements of Edgewood Arsenal Purchase Description 197-54-977, dat 8 March 1966. Custodian: Army - EA Preparing activity: Army - EA Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
