O-S-635E
2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on the date of invitation for bids or request for proposal shall apply.
ASTM International
ASTM D 501 - Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents.
ASTM D 502 - Standard Test Method for Particle Size of Soaps and Other
Detergents.
ASTM E 11 - Standard Specification for Wire Cloth and Sieves for Testing
Purposes.
ASTM E 70 - Standard Test Method for pH of Aqueous Solutions With the
Glass Electrode.
(Private sector and civil agencies may purchase copies of these voluntary standards from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from https://www.astm.org/.)
3. REQUIREMENTS
3.1 Particle size.
3.1.1 Forms 1 and 2. Forms 1 and 2 shall conform to the particle size as specified in table I
when tested as specified in 4.4.3.1.1.
TABLE I. Particle sizes of form 1 and form 2.
|
Sieve size |
Percent retained on sieve |
|
Form 1 |
Form 2 |
|
3.36 mm (no. 6) sieve |
-- |
10 (max.) |
600 µm (no. 30) sieve |
5 (max.) |
-- |
150 µm (no. 100) sieve |
40 (max.) |
80 (min.) |
3.1.2 Form 3. Form 3 may be irregularly shaped plates and shall measure not greater than
4 inches (10.2 centimeters (cm)) on an edge and 1/4 inch (0.6 cm) in thickness when tested as specified in 4.4.3.1.2.
3.2 Chemical requirements. Sodium polyphosphate shall conform to the requirements of table II
when tested as specified in 4.4.3.2 through 4.4.3.4.
3
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