A-A-54476
A holding device to accommodate an ampoule with an attached tubing assembly. After proper insertion in the holding device the distal end of the tubing assembly shall project through an opening in the holding device for insertion in the water sample. The holding device shall include provisions for snapping off the pre-scored tip of an inserted ampoule. The holding device shall include a control bar or lever for manual suctioning of small amounts of water sample through the tube assembly and into the ampoule after (after snapping off the pre-scored tip).
An insertion sheet that includes step-by-step directions for assembling components, testing procedures and conversion of test results to PPM (mg/L).
Shall provide testing results in accordance with the following procedure:
An ampoule, tubing assembly and holding device are assembled in accordance with directions in the instruction sheet.
The pre-scored tip of the ampoule is snapped off as indicated in the instruction sheet. Small amounts of water sample are drawn through the assembly tube and into the ampoule to mix with the titrant contents, in accordance with directions in the instruction sheet.
Additional samples of water are drawn and mixed with the titrant contents, in accordance with directions in the instruction sheet, until a permanent color change of the titrant takes place.
After a permanent change to the titrant, the ampoule titrant cell is held in an upright position and scale reading for the resultant liquid level is converted to a PPM (mg/Liter) MBT concentration level, in accordance with directions in the instruction sheet.
Workmanship. The components of the water quality analysis kit shall be free from defects which detract from their appearance or impair their serviceability.
Unit. Set (SE). One set consisting of a water quality analysis set with contents, as specified, constitutes one unit.
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