Document mm7DaMmYBLkNwQazKE1xga824

Sf!#Sv$Kgf OU.JCL. $asJiuns From - Keno P.G.B./R.L.J* 3/22/48 Aerovox Corporation New Bedford, Massachusetts Determining Fluorescence In Aroelor "The ultraviolet light to use for determining fluorescence in Aroelor is manufactured by George ?J. Gatos and Company, Franklin Square, long 18land, New Tork. It is a CH 4, 100 Watt, G. E. Mazda Lamp with filter* "Our procedure is to pour a small amount of Aroolor Into a 5" watch glass or a 5" Pyrex evaporating dish and observb for the degree of fluorescence under the CH 4 lamp, preferably In a dark room* If the sample has been contaminated with Mineral Oil it will show up as a streaky or milky fluorescence as compared to pure Aroelor* The fluorescence around the meniscus of pure Aroolor Is not to be confused with the fluorescence resulting from contamination. "This test is qualitative and, as such, is based on the experi ence of the person performing it* Ne keep a standard sample for comparison* If there are any further questions please feel free to contact us"* Copied by ** 4/2/48 s DSW 330900 STLCOPCB4077544