Macherey, Nagel Gmbh & Co.

Axagarius Gmbh & Co. Kg

Edmund Radmacher

Klaus Moller

Fritz Niendieck

A device is provided for determining total chlorine in liquids, the device including an indicator carrier that is impregnated with a color indicator that contains Michler's thioketone, the indicator carrier additionally containing as a color indicator at least one azine as well as an iodide, in particular potassium iodide and/or sodium iodide.

Device for determining total chlorine in liquids

Method for the analysis of gaseous components and test kit, in particular test kit for the implementation of this method

This invention relates to a chromatographic column with a separation column which is equipped on at least one side with an end threading mechanism for connecting a capillary, a precolumn, or another separation column, whereby the end threading mechanism has a support nut surrounding the column tube and a coupling nut, and the support nut is supported towards the corresponding end of the separation column at a stop part which is held in a recess at the separation column wherein the column has several axially consecutive recesses.

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Duren, Germany

Edmund Radmacher