NOTES FROM THE U. S. BUREAU OF CHEMISTRY.* A NOTE ON THE KEEPING QUALITY OF CRUDE PEANUT OIL2 By Walter F, Baughman and George S. Jamieson. [ABSTRACT.] A 1.'Ew preliminary experiments conducted in the Bureau of Chemistry indicated that if all of the foots are removed from crude peanut oil the keeping quality is very good indeed. If the crude oil remains in contact with the foots the oil deteriorates much more rapidly in most instances. THE ISOELECTRIC POINT DETERMINATION IN CORN SUGAR AND CORN SYRUP MANUFACTURE. ~ By H. S. Paine and M. S. Badollet. [ABSTRACT.] IN TttE manufacture of corn syrup and corn sugar there has been some uncertainty as to the best manner of controlling the neutralization of converter liquor with sodium carbonate in order to obtain the maximum flocculation and elimination of the col- loidal material present. Experiments conducted in the Bureau of Chemistry have indicated that it is feasible to control the addition of sodium carbonate to converter liquor by isoelectric point determinations, thus obtaining consistent maximum colloid elimination at this stage of the factory process in the manufacture of corn syrup and corn sugar. A NEW PAINT AND VARNISH REMOVER. 3 By Max Phillips and Marshall J. Goss. [A~ST~aCT. J EXPERIZv~ENTS having shown that mixtures of p-cymene with certain organic solvents are excellent paint and varnish removers, several such solutions were tested in the Bureau of Chemistry. * Communicated by the Chief of the Bureau. Published in J. Oil a~wl Fat Industries, 3, Dee., i926, pp. 43L 449 =Published in Facls About gugar, ~i, Dec. 18, 1926, pp. I2~I2-I213. "~ Published in Chem. and Met. Eng., 33, Dec., I926, p. 745. 465

The isoelectric point determination in corn sugar and corn syrup manufacture

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Page 1: The isoelectric point determination in corn sugar and corn syrup manufacture

N O T E S F R O M T H E U. S. B U R E A U O F C H E M I S T R Y . *

A NOTE ON THE KEEPING QUALI TY OF CRUDE P E A N U T OIL2

By Walter F, Baughman and George S. Jamieson.

[ABSTRACT.]

A 1.'Ew prel iminary experiments conducted in the Bureau of Chemistry indicated that if all of the foots are removed f rom crude peanut oil the keeping quality is very good indeed. I f the crude oil remains in contact with the foots the oil deteriorates much more rapidly in most instances.

THE ISOELECTRIC P OI NT D E T E R M I N A T I O N IN CORN SUGAR A N D CORN SYRUP MANUFACTURE. ~

By H. S. Paine and M. S. Badollet.

[ABSTRACT.]

IN TttE manufac ture of corn syrup and corn sugar there has been some uncertainty as to the best manner of controll ing the neutral izat ion of converter liquor with sodium carbonate in order to obtain the max imum flocculation and elimination of the col- loidal material present. Exper iments conducted in the Bureau of Chemistry have indicated that it is feasible to control the addition of sodium carbonate to converter liquor by isoelectric point determinations, thus obtaining consistent maximum colloid elimination at this stage of the factory process in the manufac ture of corn syrup and corn sugar.

A N E W PAI NT A N D V A R N I S H REMOVER. 3

By Max Phillips and Marshall J. Goss.

[A~ST~aCT. J

EXPERIZv~ENTS having shown that mixtures of p-cymene with certain organic solvents are excellent paint and varnish removers, several such solutions were tested in the Bureau of Chemistry.

* Communicated by the Chief of the Bureau. Published in J. Oil a~wl Fat Industries, 3, Dee., i926, pp. 43L 449

= Published in Facls About gugar, ~i, Dec. 18, 1926, pp. I2~I2-I213. "~ Published in Chem. and Met. Eng., 33, Dec., I926, p. 745.

465