Results 21 to 30 of about 403,665 (299)
STUDIES ON THE AGING OF THE MINERAL WATERS (Ill) VARIATION OF SILICATE IN THEMINERAL WATERS [PDF]
, 1953 When silicate content is determined by the colorimetric method, the silicate content in the mineral waters and sodium silcate solution decreases in addition of ammonium hydroxide and sodium carbonate respectively, and moreover after addition of aluminium
Sugihara, Takeshi
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Direct Synthesis of Highly Crystalline ZSM-5 from Indonesian Kaolin
Bulletin of Chemical Reaction Engineering & Catalysis, 2017 Direct synthesis of ZSM-5 from Indonesian kaolin without calcination for the formation of metakaolin was done through the addition of an alkaline solution (sodium fluoride and sodium hydroxide) and the fusion using sodium hydroxide.
Hartati Hartati +3 more
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Interaction of Magnesia with Limestone-Metakaolin-Calcium Hydroxide Ternary Alkali-Activated Systems
Advances in Materials Science and Engineering, 2018 The effect of magnesia on ternary systems composed of limestone, metakaolin and calcium hydroxide, alkali activated with sodium silicate, sodium hydroxide, and sodium sulphate was studied by determination of the compressive strength, X-ray powder ...
A. Cwirzen +2 more
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Heat capacities of aqueous sodium hydroxide/aluminate mixtures and prediction of the solubility constant of boehmite up to 300 °C [PDF]
, 2010 A modified commercial (Setaram C80) calorimeter has been used to measure the isobaric volumetric heat capacities of concentrated alkaline sodium aluminate solutions at ionic strengths from 1 to 6 mol kg-1, with up to 40 mol.% substitution of hydroxide by
Hefter, G. +3 more
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Jurnal Fisika, 2020 The mechanical properties of natural fibers are continuous development as the alternatively synthetic fibers because of the natural fibers are non-corrosive, lightweight, and environmental advantages.
Amirin Kusmiran, Rita Desiasni
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EFSA Journal, 2017 Following a request from the European Commission, the EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS) provided a scientific opinion regarding the safety of an amendment of the specifications for the food additive microcrystalline ...
EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS)
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Investigating the mechanical properties of activated alkali high permeability concrete according to the ratio of alkaline activators [PDF]
مدلسازی پیشرفته در مهندسی عمرانThis research investigates the mechanical properties of alkali-activated porous concrete compared to cement-based porous concrete. In this regard, the slag of blast furnaces has been used as the base material for cement, and sodium hydroxide and sodium ...
Amir Zohrabi +2 more
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Removal of iron and organic substances from groundwater in an alkaline medium
Journal of Environmental Engineering and Landscape Management, 2019 The article discusses the effectiveness of alkalinisation with calcium hydroxide or sodium hydroxide in the treatment of groundwater from Quaternary formations with an increased content of total iron (up to 6.82 mgFe/dm3) and organic substances (TOC up ...
Izabela Krupińska
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Case Studies in Construction MaterialsThis study examines the mechanical properties of Class C fly ash-based geopolymer mortar to optimize its use. Using Taguchi's experimental design methodology, compressive and flexural strength tests were conducted to determine the ideal mix ratios.
Hasan Altawil, Murat Olgun
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A practical method for preparing Ca(OH)2 nanodispersions for the consolidation of archaeological calcareous stones [PDF]
, 2018 Exposure to atmospheric conditions results in considerable deterioration of calcareous building stones, lime mortars and plasters in archaeological monuments, requiring several conservation treatments.
Caner, Evin, Caner-Saltık, E.N.
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