ISO-6382 Historical Revision Information
General method for determination of silicon content -- Reduced molybdosilicate spectrophotometric method

ISO-6382 - 1ST EDITION - SUPERSEDED
Show Complete Document History

Document Center Inc. is an authorized dealer of ISO standards.
The following bibliographic material is provided to assist you with your purchasing decision:


Specifies a method based on the depolymerization of any polymerized silica by treatment with sodium fluoride in the presence of hydrochloride acid resulting in the formation of the oxidized molycdosilicate, followed by the selective reduction of this complex in the presence of oxalic acid and in a sulphuric acid medium, and spectrophotometric measurement of the blue-coloured complex at the wavelength corresponding to maximum absorption (about 800 nm).

ORDER

To find similar documents by classification:

71.040.40 (Chemical analysis Including analysis of gases and surface chemical analysis)

This document comes with our free Notification Service, good for the life of the document.

This document is available in either Paper or PDF format.

Document Number

ISO 6382:1981

Revision Level

1ST EDITION

Status

Superseded

Publication Date

Nov. 1, 1981

Committee Number

ISO TC 47/SC 1