SUPER SERVICE Now your J.T. Baker distributor can also ship you things he doesn't have! How can your Baker distributor ship you things he doesn't have? Easy. He now can immediately contact the Baker Super Service Center and— in almost every instance—have the desired item shipped directly to you within 24 hours. It's as though your J. T. Baker distributor has just added the largest reagent warehouse in the world to his backyard to serve you. (To super-serve you.) Now depend on your nearest Baker distributor for all of your laboratory reagent needs. He's listed on the facing page. And do you have our new 428-page Catalog 750 featuring thousands of Baker quality laboratory chemicals? If not, please write. Thanks.
And, of course, J. T. Baker's Super Service is also available for...
NEW ULTRAPURES: Ammonium Hydroxide, "metal-free" solvent, ultrapure metals, metal oxides, and products for fiber optic research. TheJ.T. Baker ULTREX" line is an ever-expanding listing of the ultimate ultrapures. For example: ULTREX Ammonium Hydroxide, ULTREX Methyl iso-Butyl Ketone, ULTREX Silicon Dioxide, etc., etc. Plus dozens of previously-introduced ULTREX products.
J.T.Baker ®
J. T. Baker Chemical Co., 222 Red School Lane, Phillipsburg, N.J. 08865 201 859-5411
CIRCLE 28 ON READER SERVICE CARD 264 A · ANALYTICAL CHEMISTRY, VOL. 48, NO. 3, MARCH 1976
J.T.Baker SUPER SERVICE
Sargent-Welch Scientific Co. Garfield H e i g h t s , C l e v e l a n d , O h . 2 1 6 / 587-3300
Preiser Scientific Inc. L o u i s v i l l e , Ky. 502 / 636-3307
Arthur H. Thomas Co. P h i l a d e l p h i a , Pa. 215 / 574-4500
Sargent-Welch Scientific Co. B i r m i n g h a m , AI. 205 / 251-5125
VWR Scientific Columbus, Oh. 614 / 445-8281
Arthur H. Thomas Company P h i l a d e l p h i a , Pa. 215 / 574-4500
VWR Scientific Rochester, N.Y. 716 / 288-5881
VWR Scientific A t l a n t a , Ga. 404 / 351-3872
DISTRIBUTORS
Ashland Chemical Co. B i n g h a m t o n , Ν. Υ. 607 / 723-5455
Curtin-Matheson Scientific Co. A t l a n t a , Ga. 404/349-3710
Sargent-Welch Scientific Co. Dallas, Tx. 214 / 357-9381
Curtin-Matheson Scientific Co. C i n c i n n a t i , Oh. 513 / 671-1200
Curtin-Matheson Scientific Co. M i a m i , Fl. 305 / 552-8052
VWR Scientific El Paso, Tx. 915 / 778-4225
Curtin-Matheson Scientific Co. Cleveland, Oh. 216 / 883-2424
Curtin-Matheson Scientific Co. O r l a n d o , Fl. 305 / 859-8281
VWR Scientific H o u s t o n , Tx. 713 / 641-0681
Carolina Biological Supply Co. B u r l i n g t o n , N.C. 919 / 584-0381
Capitol Scientific A u s t i n , Tx. 512 / 836-1167
Durr-Fillauer Surgical Supplies Inc. Chattanooga, Tn. 615/267-1161
Curtin-Matheson Scientific Co. Dallas, Tx. 214 / 747-2503
Estes Surgical Supply Co. A t l a n t a , Ga. 404 / 521-1700
Curtin-Matheson Scientific Co. H o u s t o n , Tx. 713 / 923-1661
NORTHEAST Ace Scientific Supply Co. Inc. L i n d e n , N.J. 2 0 1 / 925-3300 Albany Laboratories, Inc. Albany, N.Y. 518 / 434-1747 Beckman Instruments Inc. M o u n t a i n s i d e , N.J. 2 0 1 / 232-7600 Berg Chemical Co. New York, N.Y. 212 / 563-2684 J . & H. Berge, Inc. S o u t h P l a i n f r e l d , N.J. 2 0 1 / 561-1234
MID-ATLANTIC General Scientific R i c h m o n d , Va. 804 / 264-2861 General Scientific V i e n n a , Va. 703 / 938-3500
Genetec Hospital Supply Co. Div. of McKesson & Robbins Milwaukee, Wi. 414 / 271-0468 General Medical of Indiana I n d i a n a p o l i s , In. 317 / 634-8560 Lapine Scientific Chicago, II. 312 / 735-4700
SOUTH CENTRAL
Curtin-Matheson Scientific Co. New Orleans, La. 504 / 524-0475
Macalaster Bicknell of N.J. Inc. M i l l v i l l e , N.J. 609 / 825-3222
CENTRAL
Ace Scientific Supply Co. Inc. L i n d e n , N.J. 2 0 1 / 925-3300
Macmillan Science Co., Inc. Chicago, 11. 312 / 488-4100
Curtin-Matheson Scientific Co. T u l s a , Ok. 918 / 622-1700
Curtin-Matheson Scientific Co. Wayne, N.J. 2 0 1 / 278-3300
Beckman Instruments Inc. M o u n t a i n s i d e , N.J. 2 0 1 / 232-7600
SOUTHWEST
Curtin-Matheson Scientific Co. W o b u r n , Mass. 617 / 935-8888
Bellevue Surgical Supply Co. Reading, Pa. 215 / 376-2991
Physicians & Hosp. Supply Co. S c i e n t i f i c & L a b o r a t o r y Div. Minneapolis, Mn. 612 / 333-5251
Doe & Ingalls, Inc. M e d f o r d , Mass. 617 / 391-0090
Berg Chemical Co. New York, N Y . 212 / 563-2684
Duso Chemical Co. Inc. Poughkeepsie, N.Y. 914 / 454-6500
J. & H. Berge, Inc. S o u t h P l a i n f i e l d , N.J. 2 0 1 / 561-1234
Brand-Nu Laboratories Inc. Meriden, Conn. 203 / 235-7989
Eastern Scientific Co. Providence, R. I. 4 0 1 / 831-4100 Healthco Scientific C a n t o n , Mass. 617 / 828-3310 Kern Chemical Mt. Vernon, N.Y. 9 1 4 / 699-3110 New York Lab Supply Co. West H e m p s t e a d , N.Y. 5 1 6 / 538-7790 Sargent-Welch Scientific Co. S p r i n g f i e l d , N.J. 2 0 1 / 376-7050 S c i C h e m Co. Everett, Mass. 617 / 389-7000 SGA Scientific Inc. B l o o m f i e l d , N.J. 2 1 2 / 267-9451 Arthur H. Thomas Company P h i l a d e l p h i a , Pa. 2 1 5 / 574-4500 VWR Scientific Rochester, N.Y. 716 / 288-5881 VWR Scientific N e w t o n Upper Falls, M a s s . 617 / 969-0900
Bowman-Mell Co., Inc. H a r r i s b u r g , Pa. 717 / 238-5235 Curtin-Matheson Scientific Co. Beltsville, Md.
301 / 937-5950
Curtin-Matheson Scientific Co. Wayne, N.J. 2 0 1 / 278-3300 Dolbey Scientific P h i l a d e l p h i a , Pa. 215 / 748-8600 John G. Merkel & Sons W i l m i n g t o n , De.
302 / 654-8818 Para Scientific Co. Fairless H i l l s , Pa. 609 / 882-4545 Reading Scientific Co. Reading, Pa. 215 / 921-0221 Sargent-Welch Scientific Co. S p r i n g f i e l d , N.J. 2 0 1 / 376-7050 SGA Scientific Inc. B l o o m f i e l d , N.J. 2 1 2 / 267-9451 2 0 1 / 748-6600 Scientific Equipment Co. P h i l a d e l p h i a , Pa. 215 / 222-5655 Seidler C h e m . & Supply Co. Newark, N.J. 2 0 1 / 622-4495
NORTH CENTRAL
Arthur H. Thomas Company P h i l a d e l p h i a , Pa. 215 / 574-4500
Preiser Scientific C h a r l e s t o n , W. Va. 3 0 4 / 343-5515
VWR Scientific Baltimore, Md. 3 0 1 / 796-8500
Preiser Scientific Inc. L o u i s v i l l e , Ky. 502 / 636-3307 Riverside Chemical Co. N. T o n a w a n d a , N.Y. 716 / 692-1350 Sargent-Welch Scientific Co. C i n c i n n a t i , Oh. 513 / 771-3850
SOUTHEAST Nashville Surgical Supply Co. Nashville, Tn. 615 / 255-4601 Preiser Scientific Inc. Durham, N.C. 919 / 688-5583
Rascher & Betzold, Inc. Chicago, II.
312 / 275-7300 Rupp & Bowman Company Detroit, M i .
313 / 491-7000 SGA Scientific Inc. Elk Grove V i l l a g e , III
312 / 439-2500 Sargent-Welch Scientific Co. Detroit, Mi.
313 / 931-0337 Sargent-Welch Scientific Co.
Skokie, II. 312 / 267-5300 Technical Industrial Products East Peoria, II. 309 / 694-6226 Wilkens-Anderson Co. Chicago, II. 312 / 384-4433 Hawkins Chemical Co. Minneapolis, Mn. 612 / 331-6910
Sargent-Welch Scientific Co. Denver, Co. 303 / 399-8220 VWR Scientific Albuquerque, N.M. 505 / 842-8650 VWR Scientific Denver, Co. 303 / 371-0970 VWR S c i e n t i f i c Phoenix, Az. 602 / 272-3272 VWR Scientific Salt Lake City, Ut. 8 0 1 / 486-4851 VWR Scientific T u c s o n , Az. 602 / 624-8371 Curtin-Matheson Scientific Co. Kansas City, Mo. 816 / 561-8780
FAR WEST VWR Scientific B r i s b a n e , Ca. 415 / 469-0100
Melton Company, Inc. Labco S c i e n t i f i c Div, O k l a h o m a City, Ok. 405 / 235-3526
VWR Scientific
Lerlab Supply Co. Hibbing, Mn. 218 / 262-3456
VWR Scientific San Diego, Ca. 714 / 262-0711
Curtin-Matheson Scientific Co. Detroit, Mi.
313 / 964-0310
VWR Scientific P o r t l a n d , Or. 503 / 225-0400
Curtin-Matheson Scientific Co. Elk Grove Village, II. 312 / 439-5880
VWR Scientific Seattle, Wa. 2 0 6 / 447-5811
Curtin-Matheson Scientific Co. Kansas City, Mo. 816 / 561-8780
VWR Scientific Honolulu, Hi. 808 / 847-1361
Curtin-Matheson Scientific Co. Midland, Mi. 517 / 631-9500
Curtin-Matheson Scientific Co. B r i s b a n e , Ca. 415 / 467-1040
Curtin-Matheson Scientific Co. Minneapolis, Mn. 612 / 378-1110
Curtin-Matheson Scientific Co. F o u n t a i n Valley, Ca. 714 / 963-6761
Curtin-Matheson Scientific Co. New Orleans, La. 504 / 524-0475
Curtin-Matheson Scientific Co. Seattle, Wa. 206 / 575-0575
Curtin-Matheson Scientific Co. St. Louis, Mo.
314 / 872-8100
Labproducts T u k w i l a , Wa. 206 / 575-0820
A. D a i g g e r & Co. Chicago, II. 312 / 644-9438
Northwest Scientific Co. B i l l i n g s , Mt. 406 / 252-3269
Drake Brothers M e n o m o n e e Falls, W i . 414/781-2166
Sargent-Welch Scientific Co. A n a h e i m , Ca. 714 / 772-3550
Los Angeles, Ca. 213 / 265-8123
ANALYTICAL CHEMISTRY, VOL. 48, NO. 3, MARCH 1976 · 265 A