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Take a close look at this section of boiler tube from our Groton plant. "Since replacing coordinated phosphate treatment with an EDTA water treating program, we've cut our boiler water treating costs b y 44%." J. R. Rowland, Utilities Manager, Chas. Pfizer & Co., Groton, Conn.
Now Pfizer offers you calculated control of feed-water hardness. Read how Pfizer's full line of chelating agents and a unique chelant selection method can help you solve your water contaminants problems more efficiently. by changing to an EDTA system; perhaps you can save What is Calculated Control? 1. The broadest line of chelating agents available: even more. Get control of your water treating problems. Citrates, Gluconates, Tartrates, Oxalates, And take advantage of Pfizer's free offer: two EDTA, HEDTA, DTPA, DEG, and NTA. calculators designed to simplify your choice of 2. Chelating agent calculators. At a glance chelating agents. Call your Pfizer representative you can determine which chelating agent to CHELATING A6ENT and mail this coupon today. use and how much is needed to sequester a given metallic ion at a given pH range. 1= 3. Your Pfizer representative supported To simplify my selection of chelating agents, please send me: by the most advanced Technical Service D The Pfizer usage calculator which tells me available, and backed by over 40 years of at a glance the right chelating agent to use. chelating agent manufacturing know-how. • The Pfizer quantity calculator which tells me quickly the correct amount of chelating Take a good look at your own plant and agent to use. equipment. See if sludge and scale deposi• Both. tion has (or is about to) cause expensive failNameures and down-time. See if feed-water hardness is causing costly production problems, or frequent Firmequipment cleaning. Then let your Pfizer representaStreettive show you how Pfizer's calculated control can help City _St.you prevent these problems. For example: when feedCHEMICAL DIVISION Positionwater hardness is less than 5 ppm, EDTA or one of the Chas. Pfizer & Co., Inc., Chemical Division, CE ' other Pfizer chelating agents may provide you with the 235 East 42nd Street, New York, N.Y. 10017 L — _ — _ _ — . most efficient and safest results. We cut our costs 44%
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