SADTLER RESEARCH LABORATORIES, INC

Hindrances. DIFFERENTIAL THERMAL ANALYSIS. Sadtler research specialists employ the DuPont900 Differential Thermal. Analyzer to solve problems of iden-...
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11,000

Sadlier

UV spectra Cut your analytical costs with the only series of its kind available

11,000 compounds in the 200 to 350 m M region. Save your analysts' time. Broaden your identification of unknowns beyond standard infrared. Even a quick examination of Sadtler's published UV spectra will convince you. Following Data on Each Spectrum: Name of Compound... Molecular Weight... Cell Thickness . . . Structural Formula . . . Literature References . . . Instrument Slit Opening at the Wavelength at Maximum Absorption ... Molecular Formula . . . Melting or Boiling Point . . . Concentration . . . Wavelength at Maximum Absorption . . . Method of Sample Preparation. Spectra Indexed: ALPHABETICALLY-Chemical Abstracts nomenclature, classified by parent compounds, followed by substituent derivatives. By MOLECULAR FORMULA-increasing order of carbon, hydrogen and other atoms. By

DIFFERENTIAL THERMAL ANALYSIS Sadtler research specialists employ the DuPont900 Differential Thermal Analyzer to solve problems of identification, thermal stability, polymerization, curing, catalytic activity, etc. Write for details about this new complete Sadtler DTA Service.

CHEMICAL CLASS—permitting location of any single spectrum or class by functional group. NUMERICALLY-by Sadtler Serial Number. SOME ANALYTICAL AND RESEARCH APPLICATIONS OF UV SPECTRA

• Identification of Unknowns . Structure Determinations • Quantitative Analyses . Purity Determinations • Reaction studies

• Stereoisomerism and Tautomerism

· Effects of pH Change · Aromaticity btudies • Chromophoric ancj Auxochromic Groups · Conjugation and HyperConjugation · Heterocyclic Systems · Steric Hindrances

UV AND IR SPECTRA SUPPLEMENT EACH OTHER AND SHOULD BE USED TOGETHER. SADTLER IR SERIES NOW COMPRISES OVER 25,000 SPECTRA.

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