NPFC - DOD-R-23679
REAGENTS, STANDARD, WATER TEST CHEMICALS (METRIC)
| Organization: | NPFC |
| Publication Date: | 8 August 1986 |
| Status: | active |
| Page Count: | 14 |
scope:
This specification covers reagents for use in checking the quality of water testing chemicals and equipments used in boiler powered ships.
Standard reagents shall be of the following classes, as specified (see 6.3).
Class e - Standard hardness solution, 0.20 equivalent per million (e/m hardness). Class i - Standard conductivity solution, 1400 microsiemens per centimeter (µs/cm). Class k - Standard chloride solution, 2.00 e/m chloride. Class m - pH standard, buffer capsules pH - 10.00 ± 0.05 at 25 degrees Celsius (°C). Class n - pH standard, buffer capsules pH - 7.00 ± 0.05 at 25°C. Class p - Standard methyl purple alkalinity standard 6.0 e/m.
Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 55Z3, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.
intended Use:
The reagents covered by this specification are intended to be used as a means for checking on the quality of chemicals and equipment used in testing shipboard boiler water and feedwater.
Document History