DOD-R-23679F

Abstract

This specification covers reagents for use in checking the quality of water testing chemicals and equipments used in boiler powered ships. <br>Standard reagents shall be of the following classes, as specified (see <a>6.3</a>). </span><pre> Class e - Standard hardness solution, 0.20 equivalent per million (e/m hardness). Class i - Standard conductivity solution, 1400 microsiemens per centimeter (&#181;s/cm). Class k - Standard chloride solution, 2.00 e/m chloride. Class m - pH standard, buffer capsules pH - 10.00 &#177; 0.05 at 25 degrees Celsius (&#176;C). Class n - pH standard, buffer capsules pH - 7.00 &#177; 0.05 at 25&#176;C. Class p - Standard methyl purple alkalinity standard 6.0 e/m.</pre> <br> <strong>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.</strong> <br><b><u>Intended Use:</u></b> 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. <br>