a. gross & COMPANY - Industrial & Engineering Chemistry (ACS

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Stearic Acid, used as a fine coating in photo­ graphic flashbulbs, helps increase their bril­ liance. Stearic and other fatty acids are also used as ingredients or in the manufacture of camera film, cameras, and film packages.

An interesting use of Stearic Acid is as an ingredient in "Jewelers Rouge." Buffing and polishing diamonds with this compound brings out their sparkle. Periodic buffing helps keep that sparkle.

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Below are facts you should know about two Fatty Acids produced by A. Gross. Why not write for sam­ ples and additional information on the Fatty Acids we produce. Send for the latest edition of the bro­ chure "Fatty Acids in Modern Industry." Address Dept. CW-2. HYDROGENATED TALLOW F.A. GROCO 58

WHITE OLEINE GROCO 5L LOW LINOLEIC

2°-5°C. 36°-41°F.

Titre 58°_60°C. Titre 136.5 °-140.0°F. Color 5 V i " Lovibond Red . . . 1.0 max. Color 5V4" Lovibond Yellow 5 max. Color Gardner 1933 Unsaponifiable 0.75% max. Saponification Value 204 - 207 Acid Value 203 - 206 % F.F.A. as Oleic Acid . . . ? (1 max Iodine Value (WIJS) Refractive Index 50°C. (Av.)

A small amount of glycerine, when used as an ingredient in soft drinks, insures even distribu­ tion of flavor — longer lasting flavor. The cork insert in a soda bottle cap also stays moist — provides tighter sealing because of the humec­ tant action the glycerine in it provides. 2 9 5

M A D I S O N

A V E N U E

Factory : Newark, N . J .

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N E W

1 max. 8 max. 2 max. 1.0% max. 201-206 200-205 99.5 min. 90 max. 1.4490 3.5% max.

a. gross YORK

17,

N.Y.

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COMPANY

Manufacturers Since 1 8 3 7 Circle No. 4 on Readers' Service Card

VOL. 52, N O . 7

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JULY 1960

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