Experiences with Silica Gel as Adsorbent

References

• Elkins , H. B. , Hobby , A. and Fuller , J. E. 1937 . The Determination of Atmospheric Contaminants: I-Organic Halogen Compounds . J. Ind. Hyg. Toxicol , 19 : 474
   Google Scholar
• Neale , E. 1959 . The Sampling and Analysis of Toxic Vapors in the Field . Analyst , 84 : 226
   Web of Science ®Google Scholar
• Bergshoeff , G. 1961 . Een Nieuw Absorptie apparaat voor de Bepaling van Gasen nevelvonnige Luchtverontreiniging . Chem. Weekblad , 57 : 637
   Google Scholar
• Braid , P. E. and LeBoeuf , J. 1957 . Determination of Trace Amounts of Lindane in Air by Infrared Spectrophotometry . Anal. Chem. , 11 : 1625
   Web of Science ®Google Scholar
• Campbell , E. E. , Milligan , M. F. and Miller , H. M. 1959 . Evaluation of Methods for the Determination of Halogenated Hydrocarbons in Air . Amer. Ind. Hyg. Assoc. J. , 20 : 138
   PubMedGoogle Scholar
• Cralley , L. V. , Shea , T. E. and Cralley , L. J. 1943 . A Modification of the Silica Gel Method for the Determination of Atmospheric Organic Solvents . J. Ind. Hyg. Toxicol. , 25 : 127
   Google Scholar
• Pernell , C. 1944 . The Collection and Analysis of Halogenated Hydrocarbon Vapors Using Silica Gel as an Absorbing Agent . J. Ind. Hyg. Toxicol. , 26 : 331
   Google Scholar
• Fahy , J. P. 1948 . Determination of Chlorinated Hydrocarbon Vapors in Air . J. Ind. Hyg. Toxicol. , 30 : 205
   PubMedGoogle Scholar
• Peterson , J. E. , Hoyle , H. R. and Schneider , E. J. 1956 . The Analysis of Air for Halogenated Hydrocarbon Contaminants by Means of Absorption on Silica Gel . Amer. Ind. Hyg. Assoc. Quart , 17 : 429
   PubMedGoogle Scholar
• Wade , H. A. , Elkins , H. B. and Ruotolo , B. P. W. 1950 . Composition of Nitrous Fumes from Industrial Processes . Arch. Ind. Hyg. Occupational Med , 1 : 81
   PubMedGoogle Scholar
• Stratmann , H. 1954 . Eine Mikroanalytische Methode zur Bestimmung von Schwefeldioxyde in der Atmosphäre . Mikrochim. Acta , November : 668
   Google Scholar
• 1959 . ASTM Committee D-22: ASTM Standards on Methods of Atmospheric Sampling and Analysis , 57 Philadelphia : American Society for Testing and Materials .
   Google Scholar
• Sill , C. W. and Flygare , J. K. 1960 . Iodine Monitoring at the National Reactor Testing Station . Health Phys , 2 : 261
   PubMedGoogle Scholar
• Elkins , H. B. 1959 . The Chemistry of Industrial Toxicology , 2nd Ed. , 279 New York : John Wiley & Sons .
   Google Scholar
• Fortuin , J. M. H. 1956 . Low Constant Vapor Concentrations Obtained by a Dynamic Method Based on Diffusion . Anal. Chim. Acta , 15 : 521
   Web of Science ®Google Scholar
• Druett , H. A. 1955 . The Construction of Critical Orifices Working with Small Pressure Differences and Their Use in Controlling Airflow . Brit. J. Ind. Med. , 12 : 65
   PubMedGoogle Scholar
• Maffet , P. A. , Doherty , T. F. and Monkman , J. L. 1956 . Collection and Determination of Micro Amounts of Benzene or Toluene in Air . Amer. Ind. Hyg. Assoc. Quart. , 17 : 186
   PubMedGoogle Scholar
• Elkins , H. B. , Pagnotto , L. D. and Comproni , E. M. 1962 . The Ultraviolet Spectrophotometric Determination of Benzene in Air Samples Adsorbed on Silica Gel . Anal. Chem. , 13 : 1797
   Web of Science ®Google Scholar
• Tunnicliff , D. D. 1949 . Benzene, Toluene, Ethylbenzene, o-Xylene, m-Xylene and p-Xylene: Determination by U.V. Spectrophotometry . Anal. Chem. , 21 : 890
   Web of Science ®Google Scholar
• 1960 . Deutsche Einheitsverfahren zur Wasser-Untersuchung, Verlag Chemie, G.m.b.H. Weinheim .
   Google Scholar
• Unpublished method. Modification of the Fujiwara Reaction .
   Google Scholar
• McGovern , J. J. , Grim , J. M. and Teach , W. C. 1948 . Determination of Monomer in Polystyrene; Spectrophotometric and Solubility Methods . Anal. Chem. , 20 : 312
   Web of Science ®Google Scholar
• Unpublished method: Decomposition by Sodium and Amperometric Titration of Formed Chloride
   Google Scholar
• Goddu , R. F. , Le , N. F. and Blanc Wright , C. M. 1955 . Spectrophotometric Determination of Esters and Anhydrides fey Hydroxamic Acid Reaction . Anal. Chem. , 27 : 1251
   Web of Science ®Google Scholar
• Nash , T. 1953 . The Colorimetric Estimation of Formaldehyde by means of the Hantzsch Reaction . Biochem. J. , 55 : 416
   PubMed Web of Science ®Google Scholar
• Fabre , R. , Truhaut , R. and Singermann , A. 1954 . Colorimetric Microdetermination of Methanol in the Atmosphere and Biological Media . Ann. Pharm. Franc. , 12 : 409
   PubMedGoogle Scholar
• Bergmann , F. 1952 . Colorimetric Determination of Amides as Hydroxamic Acids . Anal. Chem. , 24 : 1367
   Web of Science ®Google Scholar
• Grabowicz , W. 1962 . 186 : 388 Chew. Anal. (Warsaw) 5: 1027 (1960); see abstract in Z. Anal. Chem.
   Google Scholar