Cleaning the BRAND Titrette Bottletop Burette

Cleaning the BRAND Titrette Bottletop Burette from Brandtech Scientific, Inc. Always read and follow all of the information in the operating manual, especially the safety instructions. Reagent residues might still be present in the instrument. Standard cleaning should be done regularly, for example, when crystallizing media are used. The upper portion of the instrument must be removed to check whether crystals have formed. A complete standard cleaning must also be done before further disassembly for intensive cleaning. First, set the valve to recirculate and empty the instrument completely. To do this, use the hand wheels to position the piston in the fully down position. Attach the Tirette® onto a bottle with deionized water, then fill and empty it completely several times. To rinse the titrating tube, set the valve to titrate, then fill the instrument completely several times, emptying it each item into a suitable receptacle. Any carbonate crystals should be swabbed out with dilute acetic acid. Crystals from aqueous solutions can be swabbed out with water Next, attach the Tirette® onto an empty bottle and empty the instrument completely. To do this, move the piston up and down several times at both valve settings. Screw the cap back on, move the piston all the way up, and then downward by a half rotation of the hand wheel. Unscrew the air vent cap and open the housing. Remove the mounting tool from the rear housing and use it to loosen the safety ring on the...