LABORATORY SUPPLY CENTER
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Wire Coating ATR Spectrum DTA -^ Plasticized PVC MeOH Extraction Diethylhexyl Phthalate 4 \a " 20% Extractable 4- About 90% PVC But Other c H N Ana | ysis Materials Are Also Present «φ Resi 1- O.CI Activation Analysis 80% Insoluble <f- [TGA 10% Residue Emission Spec Principal Constituent Sb Figure 3. Analysis of wire coating complexity of the analyses required for the characterization of commercial products. It should be obvious that a variety of techniques have to be uti- lized for rapid and effective analysis of these samples. It is also important to point out that in most cases only the major and the minor components are found and identified. Additives which may be present in trace quantities are only recognized if their presence is suspected and specific effort is made to detect them. Acknowledgment The author acknowledges the con- tributions of many people to the work discussed here, particularly those of Carmine Persiani and Edward Lan- ning, also Amy Fermin, Michael Rub- ner, Arthur Russell, Betty Orofino, Frank Mason, James Kranick, and Jorge Flores. He is further grateful for the contributions of all other members of the Materials Analysis Department of GTE Laboratories. LABORATORY SUPPLY CENTER ^ i y y ^ ^ ^ ^ ^ ^ y ^ ^ y v M ^ r ^ ^ ^ r ^ ^ r ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ r ^ ' by David H. Killeffer An inside look at the role of the chemical engineer. Tells the fasci- nating stones behind the production of aspirin, penicillin, petroleum, rubber, sulfuric acid, and more. Chemistry in Action Series. First published by Doubleday & Co. (1967). 147 pp. (1975) hardback $5.95, paperback $3.50. Postpaid in U.S. and Canada, plus 40 cents elsewhere. Order from: Special Issues Sales American Chemical Society 1155 Sixteenth St., N.W. Washington, D.C. 20036 Allylthiourea · p-Aminohippuric Acid · Ammonium Reineckate · Aurin 1-Benzyl-4-piperidone * Cellobiose · «-Chloralose · Desoxyanisoin Diacetyl Monoxime · 2,2'-Dipyridyl · Esculin · Ethyl Levulinate Fructose · Inulin · o-lodobenzoic Acid · L-Malic Acid · Maltose DL-Mandelic Acid · Mercuric Potassium Iodide · o-Nitrobenzaldehyde Orcinol · Orcein · pH Indicators · L-Rhamnose · Salicin Sodium Diethyldithiocarbamate · Sodium Dithionate · Succinimide Thiosemicarbazide · Triphenylphosphine · o-Vanillin · Xylose Write for our Products List of over 3,000 chemicals Tel.: 516-273-0900 TWX: 510-227-6230 EASTERN CHEMICAL BOX 25 °° * Division of GUARDIAN CHEMICAL CORP. HAUPPAUGE, Ν. Υ. 11787 -Vatycuc Tteed. OXYGEN-18? For lowest prices, call (415) 234-4130 or write for our newest isotope catalog. W :1 ί ι Β \·\\^ΛΑΛ·,/Ι/Λ-<Ι/Δ 32nd & Griffin Ave., Richmond, CA 94804 —Z>o Ifau Heed DEUTERIUM OXIDE? 99.8 mol°/o/100.0 mol7o For new low prices call: (415) 234-4130 &jVMAWB^aA)taùfuc<t 32nd and Griffin Ave., Richmond, California MASS SPECTROMETRY Instantaneous Scanning or Gas Chromatographic Elfluent πα CHEMICAL 'jSjOLLOB IONIZATION [ANALYTICAL ^Z ERVICE CORP. 47 Indiistnil Road, Berkeley Heights, N.J 07922-201-464-3331 ANALYTICAL CHEMISTRY, VOL. 48, NO. 1, JANUARY 1976 . 55 A Chemical Engineering
Transcript of LABORATORY SUPPLY CENTER
Wire Coating ATR Spectrum
DTA - ^ Plasticized PVC MeOH Extraction
Diethylhexyl Phthalate 4 \a " 2 0 % Extractable 4 -
About 90% PVC But Other c H N A n a | y s i s Materials Are Also Present «φ
Resi
1-
O.CI Activation Analysis
80% Insoluble <f-
[TGA
10% Residue
Emission Spec
Principal Constituent Sb
Figure 3. Analysis of w i re coat ing
complexity of the analyses required for the characterization of commercial products. It should be obvious that a variety of techniques have to be utilized for rapid and effective analysis of these samples. It is also important to point out that in most cases only the major and the minor components are found and identified. Additives which may be present in trace quantities are only recognized if their presence is suspected and specific effort is made to detect them.
A c k n o w l e d g m e n t
The author acknowledges the contributions of many people to the work discussed here, particularly those of Carmine Persiani and Edward Lan-ning, also Amy Fermin, Michael Rub-ner, Arthur Russell, Betty Orofino, Frank Mason, James Kranick, and Jorge Flores. He is further grateful for the contributions of all other members of the Materials Analysis Department of GTE Laboratories.
L A B O R A T O R Y SUPPLY CENTER ^ i y y ^ ^ ^ ^ ^ ^ y ^ ^ y v M ^ r ^ ^ ^ r ^ ^ r ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ r ^ '
b y D a v i d H . K i l l e f fe r
An inside look at the role of the chemica l engineer. Tells the fasc i nat ing stones beh ind the product ion of asp i r in , penic i l l in, pe t ro leum, rubber , sulfur ic ac id , and more .
Chemistry in Action Series. First pub l ished by Doub leday & Co. (1967) . 147 pp. (1975) ha rdback $5 .95 , pape rback $3.50. Postpaid in U.S. and Canada , plus 40 cents e lsewhere.
Order from: Special Issues Sales American Chemical Society 1155 Sixteenth St., N.W. Washington, D.C. 20036
Allylthiourea · p-Aminohippuric Acid · Ammonium Reineckate · Aurin 1-Benzyl-4-piperidone * Cellobiose · «-Chloralose · Desoxyanisoin Diacetyl Monoxime · 2,2'-Dipyridyl · Esculin · Ethyl Levulinate
Fructose · Inulin · o-lodobenzoic Acid · L-Malic Acid · Maltose DL-Mandelic Acid · Mercuric Potassium Iodide · o-Nitrobenzaldehyde
Orcinol · Orcein · pH Indicators · L-Rhamnose · Salicin Sodium Diethyldithiocarbamate · Sodium Dithionate · Succinimide
Thiosemicarbazide · Triphenylphosphine · o-Vanillin · Xylose
Write for our Products List of over 3 ,000 chemicals
Tel.: 516-273-0900 TWX: 510-227-6230
EASTERN CHEMICAL BOX 2 5°° * Div i s i on of G U A R D I A N CHEMICAL CORP. H A U P P A U G E , Ν . Υ . 1 1 7 8 7
-Vatycuc Tteed.
OXYGEN-18? For lowest pr ices, call (415) 234-4130 or wri te for our newest isotope catalog.
W :1 ί ι Β \·\\^ΛΑΛ·,/Ι/Λ-<Ι/Δ 32nd & Griffin Ave., Richmond, CA 94804
—Z>o Ifau Heed
DEUTERIUM OXIDE? 99.8 mol°/o/100.0 mol7o
For new low pr ices ca l l : (415) 234-4130
&jVMAWB^aA)taùfuc<t 32nd and Griffin Ave., Richmond, California
MASS SPECTROMETRY Instantaneous Scanning or Gas Chromatographic Elfluent
πα CHEMICAL 'jSjOLLOB IONIZATION
[ANALYTICAL ^Z ERVICE CORP.
47 Indiistnil Road, Berkeley Heights, N.J 07922-201-464-3331
ANALYTICAL CHEMISTRY, VOL. 48, NO. 1, JANUARY 1976 . 55 A
Chemical Engineering
