Radiochemische Bestimmung von Formaldehyd in Fasermaterial

M. Rösseler; D. Paul; A. Gröbe

doi:10.1007/bf02520875

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 7: Issue 1

Radiochemische Bestimmung von Formaldehyd in Fasermaterial

Authors:

M. Rösseler

M. Rösseler

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D. Paul

D. Paul

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A. Gröbe

A. Gröbe

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Pages:: 49–55

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Jan 1971

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02520875

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Abstract

The usual determination of formaldehyde by gravimetry and spectroscopy extends down to 10⁻³ mg with only limited reproducibility. Radiochemical analysis using¹⁴C-labelled formaldehyde allows to determine amounts of 10⁻⁴ to 10⁻⁵ mg. This technique was, therefore, applied to detect reliably the amount of formaldehyde proportional to the activity in viscose rayon, spun in a formaldehyde containing spinning bath by using an ionisation chamber assay. The objects investigated were found to contain 2·10⁻⁵ mg to 1.4·10⁻⁴ mg formaldehyde, the relative error being lower than 4%. The scope of application of this method is discussed.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)