Atlas of Plastics Additives: Analysis by Spectrometric by Dietrich O. Hummel

By Dietrich O. Hummel

Instrumental, in particular spectrometric tools are prevalent in analytical laboratories for identity and quantitative choice of advanced natural platforms. the writer has proven this in past works for polymeric fabrics of all sort. during this publication he describes the applying of vibrational (FTIR, UV, Raman) and mass spectrometries and of different instrumental recommendations for identity and constitution elucidation of plastics ingredients, e.g., antioxidants, stabilisers, plasticisers, pigments, rubber chemical substances. The cutting-edge is compressed in different tables and figures; those additionally permit the translation of spectra. specifically amazing is a set of the FTIR spectra of 780 chosen ingredients, including constructions and legends. This booklet is mainly necessary for the practitioner in plastics processing and creation in addition to plastics ingredients for the standard keep an eye on of educts.

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1470 1430-1390 ca. 480 var sh s br m w-m w-m vs m-s In dilute solution In condensed state Several peaks N substituted: 2 bands v(ring-H) v(ring) y(ring) Not greatly influenced by substit. 5 Continue Assignment Range/cm- 1 Intensity Remark I-substituted y(ring-H) 6(ring) ? 6(NH) y(ring-H) s m m vs w-m m-s m-s w w-m m var m w vs s m m m var m m m-s m-s m-s s m w-m vs s s w-m w-m m Four adjacent H atoms 2-substituted ca. 1070 1035-1015 ca. 925 ca. 725 ca. 1115 1105-1070 ca. 1030 ca. 925 ca. 880 ca.

480 var sh s br m w-m w-m vs m-s In dilute solution In condensed state Several peaks N substituted: 2 bands v(ring-H) v(ring) y(ring) Not greatly influenced by substit. 5 Continue Assignment Range/cm- 1 Intensity Remark I-substituted y(ring-H) 6(ring) ? 6(NH) y(ring-H) s m m vs w-m m-s m-s w w-m m var m w vs s m m m var m m m-s m-s m-s s m w-m vs s s w-m w-m m Four adjacent H atoms 2-substituted ca. 1070 1035-1015 ca. 925 ca. 725 ca. 1115 1105-1070 ca. 1030 ca. 925 ca. 880 ca. 1090 1065-1050 ca.

1275 ca. 640 1680-1655 915-900 865-825 860-800 920-895 1680-1650 vw-w vs s s s vs vw vs s s vs w-m m-s s s vs ca. 3410 ca. 3300 ca. 1600 ca. 3450 ca. 1630 m m cyclic cyclobutanone cyclopentanone cyclohexanone conj. unsatur. Z-config. E-config. -aromatic Ar-CO-CH 3 Ar-CO-CHz-R Ar-CO-Ar p-Quinones p-benzoquinones monosubst. 2,3-disubst. 2,512,6-disub. 11 Characteristic absorption band combinations/partial spectra of CHO-carbonyl compounds: aldehydes, carboxylic acids, carboxylates Vibrating group Assignment Range/cm- 1 Intensity Remark 2xv(C=O) v(C-H) ca.

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