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Sodium silicate solutions can also be used as a spin-on adhesive layer to bond glass to glass [21] or a silicon dioxide–covered silicon wafer to one another. [22] Sodium silicate glass-to-glass bonding has the advantage that it is a low-temperature bonding technique, as opposed to fusion bonding. [21]
National Environmental Engineering Research Institute Motto Leadership in Environmental Science and Engineering for Sustainable Development Parent institution Council of Scientific and Industrial Research Founders Ministry of Science and Technology, Government of India Established 8 April 1958 President Prime Minister of India Director Dr. Atul Vaidya Staff 277 Formerly called Central Public ...
Sodium metasilicate is the chemical substance with formula Na 2 SiO 3, which is the main component of commercial sodium silicate solutions. It is an ionic compound consisting of sodium cations Na + and the polymeric metasilicate anions [– SiO 2− 3 –] n.
Sodium silicate fibres may be used for subsequent production of silica fibres, which is better than producing the latter from a melt containing SiO 2 or by acid-leaching of glass fibres. The silica fibres are useful for producing wet webs, filter linings and reinforcing the material.
Sodium silicide (NaSi, Na 4 Si 4) is a binary inorganic compound consisting of sodium and silicon. It is a solid black or grey crystalline material. [1] Sodium silicide reacts readily with water yielding gaseous hydrogen and aqueous sodium silicate in an exothermic reaction (~175 kJ·mol −1): [2] 2 NaSi + 5 H 2 O → 5 H 2 + Na 2 Si 2 O 5
Faujasite (FAU-type zeolite) is a mineral group in the zeolite family of silicate minerals.The group consists of faujasite-Na, faujasite-Mg and faujasite-Ca. They all share the same basic formula (Na 2,Ca,Mg) 3.5 [Al 7 Si 17 O 48]·32(H 2 O) by varying the amounts of sodium, magnesium and calcium. [1]
For reference, a half-cup serving of canned tomatoes packed in tomato juice with no added salt has just 20 calories and provides 2 grams of fiber, 1 gram of protein, 12 milligrams of sodium and 3 ...
Sulfuric acid and sodium silicate solutions are added simultaneously with agitation to water. Precipitation is carried out under acidic or basic conditions. The choice of agitation , duration of precipitation, the addition rate of reactants, their temperature and concentration and pH can vary the properties of the resulting silica.