428 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS the best care of a pH meter? What does one look for when the meter fails to give true zero without the use of buffer? These are a few of the questions answered by the book. Automatic titrators are also dis- cussed. This portion of the chap- ter is needed. All in all, anyone doing pH work with a commercial pH meter will need this reference.--M. G. •)E- NAVARRE. INDEX TO ADVERTISERS American Cholesterol Products, Inc ..................... xi Atlas Powder Company .................... Inside Back Cover Baker Chemical Co., J. T ............................. xviii Chiris Co., Inc., Antoine .............................. xxiv Continental Chemical Co .............................. xxvii Cosmetic Laboratories, Inc ............................ vi Dodge and Olcott, Inc ................................ ii, xix Evans Chemetics, Inc ............................... xxi Firmenich, Inc ....................................... vii Givaudan-Delawanna, Inc .................. Inside Front Cover Goldschmidt Chemical Corp ........................... iv Halby Products Co ................................... • Kohnstamm & Co., Inc., H .......................... ii• Kolmar Laboratories, Inc ............................. xii• LaWall & Harrisson .................................. xxvi• Leberco Laboratories ................................. xxv• Maimstrom and Co., N. I ............................ xxi• New Jersey Zinc Company, The ...................... xxvii• Parento, Inc., Compagnie .......................... xi• Polak and Schwarz, Inc ............................... x Raymond Laboratories, Inc .......................... viii Reheis Company, Inc ................................. xiv Rhodia, Inc •:• ......... .. •. ........................... xxvii Robinson Wagner Co.,,,I•fic ..................... xxx Rohm and Haas CoralSany ......................... xvii Roubechez, Inc ...... ' ................................. xxvi Schimmel & Co., inc ................................. xxvi Snell, Foster D., Inc .................................. xxv Stepan Chemical Co .................................. xx United States Testing Co., Inc ......................... xxv van Ameringen-Haebler, Inc ........................ v Vanderbilt, R. T., Co ............................... xxiii Verley, Albert and Co., Inc ........................... xv Verona Chemical Company ......................... ix Will and Baumer Candle Co ................ Outside Back Cover
428 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS the best care of a pH meter? What does one look for when the meter fails to give true zero without the use of buffer? These are a few of the questions answered by the book. Automatic titrators are also dis- cussed. This portion of the chap- ter is needed. All in all, anyone doing pH work with a commercial pH meter will need this reference.--M. G. •)E- NAVARRE. INDEX TO ADVERTISERS American Cholesterol Products, Inc ..................... xi Atlas Powder Company .................... Inside Back Cover Baker Chemical Co., J. T ............................. xviii Chiris Co., Inc., Antoine .............................. xxiv Continental Chemical Co .............................. xxvii Cosmetic Laboratories, Inc ............................ vi Dodge and Olcott, Inc ................................ ii, xix Evans Chemetics, Inc ............................... xxi Firmenich, Inc ....................................... vii Givaudan-Delawanna, Inc .................. Inside Front Cover Goldschmidt Chemical Corp ........................... iv Halby Products Co ................................... • Kohnstamm & Co., Inc., H .......................... ii• Kolmar Laboratories, Inc ............................. xii• LaWall & Harrisson .................................. xxvi• Leberco Laboratories ................................. xxv• Maimstrom and Co., N. I ............................ xxi• New Jersey Zinc Company, The ...................... xxvii• Parento, Inc., Compagnie .......................... xi• Polak and Schwarz, Inc ............................... x Raymond Laboratories, Inc .......................... viii Reheis Company, Inc ................................. xiv Rhodia, Inc •:• ......... .. •. ........................... xxvii Robinson Wagner Co.,,,I•fic ..................... xxx Rohm and Haas CoralSany ......................... xvii Roubechez, Inc ...... ' ................................. xxvi Schimmel & Co., inc ................................. xxvi Snell, Foster D., Inc .................................. xxv Stepan Chemical Co .................................. xx United States Testing Co., Inc ......................... xxv van Ameringen-Haebler, Inc ........................ v Vanderbilt, R. T., Co ............................... xxiii Verley, Albert and Co., Inc ........................... xv Verona Chemical Company ......................... ix Will and Baumer Candle Co ................ Outside Back Cover
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