"CLEAN UP" IRON OXIDE PROBLEMS - C&EN Global Enterprise

Nov 5, 2010 - Publication Date: January 24, 1955. Copyright © 1955 AMERICAN CHEMICAL SOCIETY. ACS Chem. Eng. News Archives. First Page Image...
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CITRIC ACID

AMMONIUM CITRATE DIBASIC

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fOXALIC ACID

These Pfizer products will help you Ifl

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CLEAN UP IRON OXIDE PRO Β LB IV! S Φ F o r industry's continuing fight against rust, Pfizer offers these proven products: CITRIC ACID. An important chemical in manymetal cleaning· pastes and liquid formulations for both home and industrial use. Solutions of citric acid, partially neutralized with ammonia, are ex­ cellent rust and scale removers. Their use results in the least possible loss of metal. Moreover, citric acid has an extremely low order of toxicity. AMMONIUM CITRATE DIBASIC. A d r y product f o r

C H A S . PFIZER & CO., I N C . CHEMICAL· S A L E S DIVISION 630 Flushing Ave., Brooklyn 6, N.Y. Branch Offices: Chicago, III.; San Francisco, Calif.; Vernon, Calif.; Atlanta, Ga.

rust and scale removal with the same character­ istics as the citric acid solutions partially neu­ tralized with ammonia. I t is of particular interest to manufacturers who market packaged home cleaners. OXALIC ACID. Because Pfizer oxalic acid solubilizes iron oxide, it is the chief ingredient in radi­ ator cleaning compounds. Combined with a wetting agent, oxalic acid solutions also find extensive use in washing railway cars and locomotives.

For more information about Pfizer products to "clean u p " iron oxide problems, send for Technical Bulletins: #15, Ammonium Citrate and Citric Acid in Scale and Rust Removal Ο # 6 1 , Chemicals f o r M e t a l Finishing Q #34, Oxalic Acid . . . . Q Dept.CEN

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Manufacturing Chemists for Over 100 Years VOLUME

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