[METRIC]
A-A-682A
March 6, 1998
Superseding
A-A-682
November 9, 1979
COMMERCIAL ITEM DESCRIPTION
DISHWASHING COMPOUND, MACHINE (NON-CHLORINATED, GRANULAR)
The General Services Administration has authorized the use of this commercial item description in lieu of Federal Specification P-D-1800, Type 1, Class 1, for all federal agencies.
1. Scope. This commercial item description covers one class of granular, non-chlorinated machine dishwashing compound, suitable for use in spray-type commercial dishwashing machines equipped with or without detergent dispensing equipment. The compounds are designed to provide clean ware and glasses under heavy soils loads in soft to hard water when used at recommended ware washing concentrations.
2. Salient characteristics:
2.1 Physical properties. The dishwashing compound shall meet the requirements of Table I.
TABLE I. Physical properties
|
Characteristics |
Min |
Max |
ASTM Method |
|
Moisture content |
--- |
5.0 |
D 460 |
|
Condensed phosphates, ( as P2O5) |
12.0 |
20.0 |
D 800 |
|
Total silicates, (as SiO2) |
4.0 |
17.0 |
D 800 |
|
Available chlorine |
--- |
None |
D 2022 |
|
Total alkalinity, (as Na2O) |
35.0 |
45.0 |
D 800 |
|
pH (1 percent aqueous solution) |
11.5 |
13.0 |
E 70 |
|
Particle size: |
|
|
D 502 |
|
Retained in No. 16 sieve |
--- |
10.0 |
|
|
Retained in No. 170 sieve |
90.0 |
--- |
|
|
Beneficial comments, recommendations, additions, deletions, clarification, etc. and any data which may improve this document should be sent to: GSA Paints and Chemicals Center, 400 15th Street, S.W. Auburn, WA 98001. |
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