Identifcation of Organic Admixtures in Cement Dry Mix Systems Using MDRS

D. Hahn1, P. Quirmbach1, A. Sax1, J.M. Faure2, K. Benyahia2, C. Wöhrmeyer2, C. Parr2

1 Institute for Natural Sciences, Technical Chemistry and Corrosion Sciences, University of Koblenz-Landau, 56070 Koblenz/Germany
2 Kerneos SA, 92800 Puteaux/France


Volume 10, Issue 2, Pages 38 - 42


Organic admixtures for industrial mortars and concretes, such as superplasticizers, retarders, or organiclubricants, are widely used to modify and control the processing properties of hydraulic bonded systems. A precise and accurate analytical statement about the presence of organic ingredients is required to design high-performance engineered castables, such as refractories. The present paper describes the application of Morphologically Directed Raman Spectroscopy (MDRS) to monitor organic admixtures in cement dry mix systems. Received spectra of MDRS investigations of organic and inorganic ingredients show characteristic Raman patterns of distinct peaks allowing the clas- sifcation of spotted particles. MDRS provides highest sensitivity since it is applied to individual particles of the present matrix, allowing the detection of admixture components in lowest concentration.


cement, Raman analysis, organic admixtures


[1] U.S. Geological Survey: Mineral Commodity Summaries – Cement. 2017. [2] Parr, C.; Fryda, H.; Wöhrmeyer, C.: Recent advances in refractories - Aluminate binders and calcium aluminate bonded high-performance monolithic castables. Journal of the Southern African Institute of Mining and Metallurgy 113 (2013) [8] 619–629. [3] Boch, Ph.; Masse, S.; Lequeux, N.: CAC in Refractory Applications: from LCCs to ZCCs. Proc. of the Int. Conference on CAC, Edinburgh 2001, 449–466. [4] Pöllmann, H.: Calcium Aluminate Cements – Raw Materials, Differences, Hydration and Properties. Reviews in Mineralogy & Geochemistry 74 (2012) [1] 1–82. [5] Amathieu, L.; Bier, T. A.; Scrivener, K. L.: Mechanisms of set acceleration of Portland cement through CAC addition. Proc. of the Int. Conference on CAC, Edinburgh 2001, 303–317. [6] Wöhrmeyer, C.; Simonin, F.; Parr, C.: New types of dense defocculated calcium aluminate bonded castables with enhanced installation properties. Interceram 57 (2008) [3] 181–185. [7] Parr, C.; Simonin, F.; Touzo, B.; Wöhrmeyer, C.; Valdelievre, B.; Namba, A.: The impact of calcium aluminate cement hydration upon the properties of refractory castables. Proc. TARJ Meeting, Japan 2004, 1–17. [8] Lee, W.E.; Vieira, W.; Zhang, S.: Ghanbari Ahari, K.; Sarpoolaky, H.: Parr, C.: Castable Refractory Concretes. International Materials Reviews 46 (2001) [3] 145–167. [9] Rixom, R.; Mailvaganam, N.: Chemical admixtures for concrete. 3 edition, E & FN Spon, 1999. [10] Ramachandran, V.S.: Concrete Admixtures Handbook - Properties, Science, and Technology. 2nd edition, Noyes Publications, 1995. [11] Jolicoeur, C.; Simard, M.: Chemical admixture-cement interactions: phenomenology and physico-chemical concepts. Cement and concrete composites 20 (1998) [2] 87–101. [12] Rodger, S.A.; Double, D.D.: The chemistry of hydration of high alumina cement in the presence of accelerating and retarding admixtures. Cement and Concrete Research 14 (1984) [1] 73–82. [13] Maehotra, A.: Development in the use of super-plasticizers. American concrete institute, V.M., 1981. [14] Puertas, F.; Santos, H.; Palacio, M.; Martinez-Ramirez, S.: Polycarboxylate superplasticiser admixtures: effect on hydration, microstructure and rheological behaviour in cement pastes. Advances in Cement Research 17 (2005) [2] 77–89.


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