Potash-lime glass | All About Glass - Corning Museum of Glass
WEBGlass Dictionary Definition. A form of glass containing three major compounds in varying proportions: silica (usually about 60-75 percent), potash (12-18 percent), and lime (5-12 percent). Forest glass is a common type of potassium-lime glass. Potash glass is slightly denser than soda-lime glass; it passes from the molten to the rigid state ...
Soda–lime glass - Wikipedia
WEBSoda–lime glass, also called soda–lime–silica glass, is the most prevalent type of glass, used for windowpanes and glass containers (bottles and jars) for beverages, food, and some commodity items.
Potash-lime-silica glass: protection from weathering
WEBJul 13, 2015 · Potash-lime silica glass was used for window panels in Europe north of the Alps in the medieval era. The high potassium and low silica content of this glass influences its chemical stability.
WEBPotash-lime silica glass was used for window panels in Europe north of the Alps in the medieval era. The high potas-sium and low silica content of this glass influences its chemical stability.
Statistical evaluation of potash-lime-silica glass weathering
WEBApr 6, 2004 · This potash-lime-silica (PLS) glass was predominantly used for windows in churches and cathedrals from the eleventh to the sixteenth century. Contrary to the ancient and modern soda-lime-silica (SLS) glass, PLS glass is quite susceptible to corrosion and weathering attack in the ambient atmosphere.
Chemical Analyses of Potash–Lime Silicate Glass Artifacts from …
WEBNov 21, 2014 · Potash–lime silicate (K 2 O–CaO–SiO 2) glass dated to the Warring States Periods is one of the earliest glass types that have been found in China, but scientific research about this type of glass is scarce at home and abroad.
Diagnostic Artifacts in Maryland
WEBNov 30, 2010 · Potash Lime Glass - Glass containing three major compounds: silica (generally 60-75 percent), potash (12-18 percent), and lime (5-12 percent). Slightly denser, but harder and more brilliant, than soda-lime glass.
WEBEurope north of the Alps changed when potash (as farn or beechwood ash) was used as a fluxing agent for the sub-sequent centuries. This potash-lime-silica (PLS) glass was predominantly used for windows in churches and cathe-drals from the eleventh to the sixteenth century. Contrary to the ancient and modern soda-lime-silica (SLS) glass,
Leaching studies on naturally weathered potash-lime–silica glasses
WEBMay 1, 2006 · The surface analyses of more than 150 weathered glass samples of the potash-lime–silica type in the scanning electron microscope showed that the prevailing weathering products were sulphates such as syngenite (K 2 SO 4 · CaSO 4 · H 2 O) and gypsum (CaSO 4 · 2H 2 O), chlorides (NaCl and KCl) and organic K- …
Degradation of Glass Artifacts: Application of Modern Surface ...
WEBGlasses produced in the ancient periods (Egyptian, Greek, or Roman glasses), as well as modern glass, can be classified as soda−lime−silica glasses. In contrast, potash was used as a flux in medieval Northern Europe for the production of …