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sulfate
copper sulfate
copper sulfate common name for the blue crystalline heptahydrate of cupric sulfate , in which copper has valence +2. It may also refer to cuprous sulfate (Cu 2 SO 4 ), in which copper has valence +1.
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Sulfate resistances of different types of Turkish Portland cements by selecting the appropriate test methods.
Magazine article from: Construction and Building Materials; 11/1/2006; ; 700+ words
; ...deterioration due to sulfate attack is a serious...the world. Soluble sulfates, pricipally those...short duration. The sulfates resulting in degradation...sources. External sulfate attack occurs when sulfates diffuse or permeate...
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Sulfate resistance of plain and blended cements exposed to magnesium sulfate solutions.
Magazine article from: Construction and Building Materials; 8/1/2007; ; 700+ words
; ...plain and blended cements exposed to magnesium sulfate solutions with varying sulfate concentrations for up to 24 months. Four types...plus fly ash, were exposed to five magnesium sulfate solutions with sulfate concentration of 1...
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Sulfate resistance of plain and blended cements exposed to wetting--drying and heating--cooling environments.
Magazine article from: Construction and Building Materials; 8/1/2007; ; 700+ words
; ...for the structures exposed to sulfate attack and cycles of wetting...cement; Heating-cooling; Sulfate attack; Wetting-drying 1...Deterioration of concrete by sulfates of an external source is a...containing high concentrations of sulfate ions. This durability problem...
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Sulfate resistance of the cement materials based on the modified silica fume.
Magazine article from: Construction and Building Materials; 2/1/2000; ; 700+ words
; ...Keywords: Sulfate deterioration; Sulfate resistance; Modified silica...Besides the acidic media, the sulfate aggressive media are often...potassium, and magnesium sulfates are primary sources of sulfate ions in ground waters. Effluents...
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Sodium sulfate consumption market in China.(Inorganics)
Magazine article from: China Chemical Reporter; 9/6/2009; 700+ words
; Sodium sulfate (anhydrous sodium sulfate, [Na.sub.2]S[O.sub.4]), a basic chemical raw...in the production of pharmaceuticals, food additives, barium sulfate and potassium sulfate. * Consumption mix During 2001-2005...
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Chondroitin sulfates.(Monograph)
Magazine article from: Alternative Medicine Review; 12/1/2006; 700+ words
; ...and position of the sulfate groups and the percentage...chain, chondroitin sulfates are actually a heterogeneous...Proprietary chondroitin sulfate products have been utilized...research on chondroitin sulfates and osteoarthritis...dose of chondroitin sulfate is hydrolyzed into ...
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Vacuolar Sulfate Transporters Are Essential Determinants Controlling Internal Distribution of Sulfate in Arabidopsis
Magazine article from: Plant Cell; 10/1/2004; ; 700+ words
; Uptake of external sulfate from the environment and use of internal vacuolar sulfate pools are two important aspects of the acquisition...we demonstrated that the vacuolar SULTR4-type sulfate transporter facilitates the efflux of sulfate from...
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Potassium sulfates.(Chemical Profile)(Illustration)
Magazine article from: Chemical Market Reporter; 3/17/1997; 700+ words
; POTASSIUM SULFATES March 17 1997 PRODUCER...year of potassium sulfate and potassium...exports of potassium sulfates in 1996 totaled...1996): potassium sulfate. high, $185 per...price of potassium sulfate relative to potash...OUTLOOK Potassium sulfates make up the bulk...
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Sulfate assimilation in eukaryotes: fusions, relocations and lateral transfers.(Research article)
Magazine article from: BMC Evolutionary Biology; 2/4/2008; ; 700+ words
; ...major form of sulfur in nature, however, is inorganic sulfate. Sulfate is taken up into cells, reduced, and incorporated into cysteine in the pathway of sulfate assimilation [1, 2]. Since sulfate is a stable...
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Sulfate in the soil and concrete foundations.(Problem Clinic)
Magazine article from: Concrete Construction; 3/1/2005; ; 700+ words
; ...attack. We define sulfate attack as destructive...the presence of sulfates by itself is not...dissolves the available sulfates, and when the water...white deposit of sulfate minerals remains...there may be other sulfate compounds as well...action of the various sulfates is not the ...
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sulfate
Book article from: The Columbia Encyclopedia, Sixth Edition
...compound containing the sulfate (SO 4 ) radical . Sulfates are salts or esters...white vitriol is zinc sulfate . Alums are double sulfates, containing two different metals and two sulfate radicals. Organic sulfates are esters. They can...
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cupric sulfate
Book article from: The Columbia Encyclopedia, Sixth Edition
cupric sulfate or copper (II) sulfate, chemical compound, CuSO 4 , taking the form of white rhombohedral...to 110°C and fully dehydrates at 150°C. Cupric sulfate is used in copperplating, in dyeing (as a mordant), in wet...
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sodium sulfate
Book article from: The Columbia Encyclopedia, Sixth Edition
sodium sulfate chemical compound, Na 2 SO 4 . It is...assumes a hexagonal structure. Sodium sulfate is soluble in cold water and very soluble...is Glauber's salt . Anhydrous sodium sulfate is found in nature as the mineral thenardite...
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ferrous sulfate
Book article from: The Columbia Encyclopedia, Sixth Edition
ferrous sulfate or iron (II) sulfate, chemical compound, FeSO 4 . It is known as the monohydrate...mordant, and in water purification as a substitute for aluminum sulfate. It melts at 64°C, and at 90°C it loses water...
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copper sulfate
Book article from: The Columbia Encyclopedia, Sixth Edition
copper sulfate common name for the blue crystalline heptahydrate of cupric sulfate , in which copper has valence +2. It may also refer to cuprous sulfate (Cu 2 SO 4 ), in which copper has valence +1.
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