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records mass concentrations automatically

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Preferred by users because: ® Automa t i ca l l y records mass concent ra t ions © Wide mass range of 1 to 300 © H i g h resolut ion and sensi t iv i ty © Convenience of opera t ion © Special servicing features cut down- t ime

Uses include analys is of: © Hydroca rbon streams © Deutera ted compounds © Iso topes © Pe t ro leum chemicals Check coupon for bullccin GEC-5S7

controls moisture content of gases accurately

® Gives you conrinuous record © Wide range . . . to —90° F ® Automat ic 24 hour opera t ion *® Stable operat ion

For use i n — © Contro l l ing mechanical or

chemical air dryers © Moni to r ing mois ture content

of gases in manufactur ing or product ion processes

© Protec t ing furnaces from mois­ture content above specification

© Con t ro l l i ng condi t ions in test­ing and research laborator ies

Check coupon for Bulletin GEA-4613

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3236 C H E M I C A L A N D E N G I N E E R I N G N E W S

Laboratory MASS SPECTROMETER

D E W P O I N T RECORDER

speed up research and production RECORDING SF>EeraOPH©T©METIR

® Increases production by furnishing a means of controlling color processes • Provides a practical, scientific means of setting up color standards and color

tolerances © Furnishes a means of rapid colorimetric analysis ® Automatically produces a linear curve of reflectance For analyzing ® Chemicals © Dyes ® Paints © inks Check coupon for Bulletin GEC-307

ind leaks quickly

Gives You — • High sensitivity—--will detect

very small leaks © Saves time, money; versatile • C o m p a c t and p o r t a b l e .

Weighs less than 18 lbs. For use in plants w h e r e — • Halogen compounds are

piped • Pressure testing of valves,

pipes, and joints is made © Large tanks and equipment

must be checked Check for Bulletin GEC-T33B

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Section D687-47 ** Apparatus Department, Π General Electric Company, &? Schenectady, Ν. Υ. «

Please have a sales engineer call to discuss ——

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P leas * send me the publications checked below:

• For information only • Planning an immediate project

GEA-4613, Dewpoint Recorder GEC-233B, Type Η Leak Detector GEC-307, Recording Spectrophotometer GEC-587, Mass Spectrometer

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Products ίοΜ CHEMICAL PROCESSES

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