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b. Add 6 to 8 drops of Indicator Solution No . i (Phenolphthalein) <br /> C . Fill the automatic burette to the zero marK with Titrating <br /> Solution No. 1.1 (O . 1N Sodium Hydroxide) - <br /> d. While stirring the sample , slowly run in Titrating Solution <br /> No . 11 until a pink color appears . <br /> e . Record the number of milliliters of Titrating Solution. No . 11 <br /> used as the pointage . <br /> Replenishment: Add 0.4 gallons of Bulk Bond No. 990 per 100 gals . <br /> of bath for each point lacking. The bath should be <br /> kept Ivithin one point of the specified pointage . <br /> OPERATIONAL RECOMMENDATIONS: <br /> 1. If the work is heavily soiled and additional cleaning power is <br /> needed, a. detergent cleaner additive may be added to the Bulk <br /> Bond bath . Your Bulk Chemicals technical representative will <br /> recommend the proper type of additive . <br /> I <br /> ? It is advisable to remove any oily scum which ma} nax'e accur,ulated <br /> on the Bulk Bond No. 990 bath at the end of each shift by <br /> running fresh water into the bath until the bath overflows slightly <br /> and the scum is removed . <br /> 3, The initial charge and replenishment data contained herein are <br /> normal for most installations ; however , your Bulk Chemicals , Inc. <br /> technical representative may suggest a deviation from this data <br /> if indicated by local conditions . <br /> AFTER-TREATMENT: <br /> After the woxk is treated, it must be given two rinses : <br /> a. An unheated water rinse . <br /> b. A final rinse in w:ter acidulated with Bulk Rinse. <br /> The final rinse may be heated to facilitate drying . Your <br /> Bulk Chemicals, Inc. technical representative will recommend <br /> the Bulk Rinse best suited to local conditions.. <br /> DRYING PAINT-BONDING COATINGS: <br /> Parts coming from the final acidulated rinse should be dried as soon <br /> as possible in an indirectly fired oven or by other means which will <br /> not contaminate the metal with fumes, oil, or partially burnt gases . <br /> In many cases , heavy-gauge metal will retain enough heat to dry com- <br /> pletely and rapidly without using an oven. <br /> Products with cavities or pockets which trap moisture should be blown <br /> dry with a jet of clean, compressed air. Moisture splatter should be <br /> dried with clean cloths . <br /> if handling of the dried, unpainted wort: is necessary, operators sho__d <br /> wear clean cotton gloves . <br />