ADVERTISERS' PRODUCT GUIDE Division of Harshaw Chemical Co. Industrial Instruments, Inc.* Laboratory Equipment Corp." Arthur S. LaPine & Co. Leeds & Northrup Co.* New York Laboratory Supply Co. NRC Equipment Corp.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Arthur H. Thomas Co. Wilkens-Anderson Co. 46. OXYGEN ANALYZERS
TOO MANY VARIABLES? IVs time to draw a line. Straighten out your cleaning problems with
Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Atkins Technical, Inc. Beckman Instruments, Inc. Scientific & Process Instruments Div.' Burrell Corp.* Cambridge Instrument Co.* Chemical Rubber Co. Chicago Apparatus Co. Davis Instruments* Engelhard Industries* Fisher Scientific Co.* Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Industrial Instruments, Inc.* Instrumentation Associates Laboratory Equipment Co. Laboratory Equipment Corp.* Arthur S. LaPine & Co. Leeds & Northrup Co.* New York Laboratory Supply Co. NRC Equipment Corp.* Palo Laboratory Supplies, Inc. E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Arthur H. Thomas Co. Wilkens-Anderson Co.
Will Corp.
HAEMO-SOL There's nothing like Haemo-Sol's unique cleansing power and positive rinsing . . . it's completely safe! No etching! No corroding of metal parts! Immediate Haemo-Sol bath for valuable volu metric and optical equipment prevents soil etching! Haemo-Sol guarantees clean laboratory glassware and apparatus— • removes the full range of laboratory soils • effectively digests protenoid materials . . . other types of polymeric materials • assures free draining pipets . . . burets • gives sparkling clear surfaces for quartz and glass absorption cells • provides chemically clean reaction and titration flasks • leaves the clean surfaces t h a t are a must for the smooth operation of fractionating columns and other pieces of laboratory equipment. And, just as important as its unique cleaning power, is Haemo-Sol's high solubility and powerful solubilizing action. Haemo-Sol washed glassware rinses completely clean . . . nothing remains behind but a chemically clean, free draining glass sur face. Write TODAY for Sample and LiteratureDistributed by
MEINECKE & COMPANY, Inc. J
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ANALYTICAL CHEMISTRY
47. SULFUR ANALYZERS Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Atkins Technical, Inc. Burrell Corp.* Cambridge Instrument Co.* Chemical Rubber Co. Chicago Apparatus Co. Harry W. Dietert Co.* Erb & Gray Scientific, Inc. F & M Scientific Corp.* Fisher Scientific Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Laboratory Equipment Co. Laboratory Equipment Corp.* Arthur S. LaPine & Co. Lindberg Engineering Co.* New York Laboratory Supply Co. Palo Laboratory Supplies, >nc. E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Arthur H. Thomas Co. Wilkens-Anderson Co. Will Corp.
Gow-Mac Instrument Co.* Emil Greiner Co. Industrial Instruments, Inc.* Laboratory Equipment Co. Arthur S. LaPine & Co. Leeds & Northrup Co.* LKB Produkter Fabriksaktiebolag* Loe Engineering Co.* Minneapolis-Honeywell Regulator Co.* Palo Laboratory Supplies, Inc. Sadtler Research Laboratories Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co. Ivan Sorvall, Inc. Tenso-Lab, Inc. Arthur H. Thomas Co.* Victory Engineering Co.* Welwyn International, Inc. Will Corp. 50. CONTAINERS AND CANS Atomic Accessories* George D. Ellis & Sons* Nalge Co.* Ε. Η. Sargent 8, Co. Schaar & Co. 51. COOLING DEVICES Aloe Scientific Division of A. S. Aloe Co. American Instrument Co.* Andrew Technical Supply Corp.* Blue M Electric Co.* Chemical Rubber Co. Erb & Gray Scientific, Inc. Emil Greiner Co. Arthur S. LaPine & Co. Palo Laboratory Supplies, Inc. Presin Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus C». Superior Air Products* Will Corp. 52. COUNTING APPARATUS Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Cora. Baird-Atomic, Inc.* Burrell Corp. Chicago Apparatus Co. Clay-Adams, Inc.* Fisher Scientific Co. Franklin Electronics Corp.* Harshaw Scientific Division of Harshaw Chemical Co. Laboratory Equipment Co. Arthur S. LaPine & Co. Microchemical Specialties* National Instruments Labs* New York Laboratory Supply Co. Nuclear Chicago Corp.* Presin Co.* Ε. Η. Sargent & Co.* August Sauter* Schaar & Co. Scientific Glass Apparatus Co. Sepor Laboratory Supply Standard Scientific Supply Co. Arthur H. Thomas Co. Volk Radiochemical Co. 53. COUNTER APPARATUS
CURRENT
DISTRIBUTION
E-C Apparatus Co.* COMPARATORS—see ratus
hydrogen ion appa
46. CONDENSERS AND ACCESSORIES Aloe Scientific Division of A. S. Aloe Co. Atkins Technical, Inc. Burrell Corp. Chemical Rubber Co. Corning Glass Works* Fisher Scientific Co. General Laboratory Supply Co. Emil Greiner Co.* Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co. Microchemical Specialties* Palo Laboratory Supplies, Inc. Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co.* Standard Scientific Supply Co. Tenso-Lab, Inc.* Arthur H. Thomas Co. W. M . Welch Manufacturing Co. Will Corp.* 49. CONDUCTIVITY EQUIPMENT Aloe Scientific Division of A. S. Aloe Co. American Instrument Co.* Burrell Corp. Electric Hotpack Co.* Erb & Gray Scientific, Inc. Fisher Scientific Co. General Laboratory Supply Co.
COUNTERS, RADIOACTIVITY—see tion equipment 54. CRUCIBLES Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Atkins Technical, Inc. J. Bishop & Co. Platinum Works C. A. Brinkmann & Co.* Burrell Corp. Central Scientific Co.* Chemical Rubber Co. Chicago Apparatus Co. Coors Porcelain Co.* Corning Glass Works* Engelhand Industries* Fisher Scientific Co. Fish-Schurman Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Kern Laboratory Supply Co. Laboratory Equipment Co. Laboratory Equipment Corp.* Arthur S. LaPine & Co. Metals & Controls* National Carbon Co.* New York Laboratory Supply Co. Norton Co.* Oregon Metallurgical Corp.* Palo Laboratory Supplies, Inc. Parr Instruments Co.* Precision Scientific Co.* E. H. Sargent & Co.
radia
