sodium silicate

Any of various water-soluble silicate glass compounds used as a preservative for eggs, in plaster and cement, and in various purification and refining processes. Also called soluble glass, water glass.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sodium silicate

1. (Elements & Compounds) Also called: soluble glass a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution. See water glass¹

2. (Elements & Compounds) any sodium salt of orthosilicic acid or metasilicic acid

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

so′dium sil′icate

any of several clear, white, or greenish water-soluble compounds of formulas varying in ratio from Na₂O∙3.75SiO₂ to 2Na₂O∙SiO₂, used chiefly in processing textiles and in the manufacture of paper products and cement. Also called water glass.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

sodium silicate - a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs

soluble glass, water glass

glass - a brittle transparent solid with irregular atomic structure

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References in periodicals archive

Commercial grade sodium hydroxide in pallets form (97% -100% purity) and sodium silicate solution ([Na.sub.2]O=18.2%, Si[O.sub.2]=36.7%, Water = 45.1%) were used as the alkali activators.

Geopolymer concrete: a concrete to be known more

Cylacell is a predictable, environmentally safe, and equipment-friendly inorganic sodium silicate endothermic blowing agent for thermoplastics, rubber, silicone, and thermoset polyester bulk molding compounds.

Blowing agents

"TimberSIL, produced by Timber Treatment Technologies LLC (TTT) [uses] patented technology [that] essentially converts sodium silicate to an insoluble glass that surrounds and protects wood cells, making it unavailable to fungi and insects as a food source." The product was named as a "Top 10 Green Product for 2004" by EBN-affiliated Web site BuildingGreen.com.

EBN updates treated wood options

Amorphous and precipitated silica and silica gels, prepared by the acidification of a solution of sodium silicate, are commonly used in premium matte coated ink-jet papers.

Summaries of February 2005 peer-reviewed papers

Analytical grade sodium hydroxide in flake form (NaOH with 98% purity), and sodium silicate solution ([Na.sub.2]O = 14.7%, Si[O.sub.2] = 29.4% and water = 55.9% by mass), were used as the alkaline activators.

Factors influencing the compressive strength of fly ash-based geopolymer concrete

of Webster, Texas, in a joint venture with Producers Rice Mill at Stuttgart, plans to build a manufacturing plant using patented technology for producing liquid sodium silicate and activated carbon products from rice hull ash.

AgriTec Systems plans Stuttgart plant. (Inside Business)

Materials variously treated with sodium silicate were studied until enough information was obtained to find a way to solve the problems that have prevented sodium silicate from being used as a fire retardant.

Enhancing the strength, moisture resistance, and fire-resistance of wood, timber, lumber, similar plant-derived construction and building materials, and other cellulosic materials. (Patents)

Prior to the startup of the membrane process, Loch Lommond's raw water was being treated solely with screening, chlorination and sodium silicate for corrosion control.

Groundwater project converts waste to resource: City of Thunder Bay takes steps to protect future water supply. (Special Report: Water)

Amidst the economic crisis and political instability, a British investor and a private domestic investor has established a joint-venture company called PT Petrokim Finnusa Multichem, which intends to set up a sodium silicate plant in Gresik, East Java.

PETROKIM FINNUSA MULTICHEM TO SET UP A SODIUM SILICATE PLANT WORTH US$ 31.3 MILLION

The study had two primary goals: first, to determine how effective sodium silicate was in solving red water problems and reducing iron, lead, and copper levels; and second, to gain more knowledge about silicate corrosion inhibition or surficial coating.

Using silicates to lower lead levels in drinking water

President All Pakistan Sodium Silicate Manufacturers Association, Mian Saleemul Hassan, and other office-bearers of the association have expressed grave concern over imposition of Sales Tax on sodium silicate at the rate of 12-1/2 per cent and cautioned that this would subject the sodium silicate and laundry soap manufacturing units to a serious crisis and washing soap would go beyond the reach of the masses.

Budget reactions