719017

ISO 601:1981

Solid mineral fuels - Determination of arsenic content using the standard silver diethyldithiocarbamate photometric method of ISO 2590

standard by International Organization for Standardization , 12/01/1981

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Full Description

The sample is oxidized by nitric and sulphuric acids or by the use of Eschka mixture. Then, using the method specified in ISO 2590, the arsenic is reduced by zinc in sulphuric acid or hydrochloric acid medium. The arsine formed is absorbed in a solution of silver diethyldithiocarbamate in pyridine. The purplish-red colour produced by the colloidally dispersed silver is measured photometrically at the maximum of the adsorption curve (wavelength approximately 540 nm). Feste mineralische Brennstoffe; Bestimmung des Arsengehalts nach dem Standardverfahren von ISO 2590 mit Silberdiethyldithiocarbamat

 

Product Details

Published:
12/01/1981
Number of Pages:
4
File Size:
1 file , 350 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus