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A method for the determination of some minor compounds in portland cement and clinker by X-ray diffraction

✍ Scribed by J.E. Mander; L.D. Adams; E.E. Larkin

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 508 KB
Volume: 4
Category: Article
ISSN: 0008-8846
DOI: 10.1016/0008-8846(74)90004-0

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✦ Synopsis

This paper describes a method of removal of the silicate phases in cements and clinkers by leaching with a maleic acid-methanol solution. Quantitative and qualitative deteminations by x-ray diffraction can be made on the minor compounds remaining after separation. These compounds include the ferrite phases (C6A2F , C4AF , C6AF 2 and C2F), C3A, NC8A 3, C4A3~, and MgO periclase. The paper discusses techniques used, pure compounds manufactured and calibration curves constructed.

ZU~NFASSUNG

Beschrieben wird eine Methode, die Silikatphasen in Zementen und Klinkern durch Auslaugen mit einer Maleins~ure-MethanSllosung zu entfernen. An den zurUckbleibenden sekund~ren Bestandteilen kSnnen mit Hilfe von RSntgenstrahlen-Diffraktion quantitative und qualitative Bestirmmmgen durchgeftlhrt werden. Solche Bestandteile sind z.B. eisenhaltige Phasen (C6A2F-C2F), C3A, NC8A3, C4A3S , und MgO Periklas. Besprochen werden die benutzten Verfahren, die gewonnenen reinen Verbindungen und dazu Kalibrationskurven.

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