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Wettable sulfur is the commercial name for dusting sulfur formulated with additional ingredients to make it water miscible. [ 88 ] [ 96 ] It has similar applications and is used as a fungicide against mildew and other mold-related problems with plants and soil.
About 2.2:1 is the ratio (by weight) for compounding sulfur and quicklime; this makes the highest proportion of calcium pentasulfide. If calcium hydroxide (builders or hydrated lime) is used, an increase by 1/3 or more (to 115 g/L or more) might be used with the 192 g/L of sulfur. If the quicklime is 85%, 90%, or 95% pure, use 101 g/L, 96 g/L ...
Wet chemistry techniques can be used for qualitative chemical measurements, such as changes in color (colorimetry), but often involves more quantitative chemical measurements, using methods such as gravimetry and titrimetry. Some uses for wet chemistry include tests for: [citation needed] pH (acidity, alkalinity) concentration
Purified sulfur (sulfur depuratum) is prepared by washing sublimed sulfur with ammonia. It is a fine yellow powder. It was formerly used as a laxative, but this application is rare today. [1] Precipitated sulfur (sulfur praecipitatum) is prepared by boiling sulfur and calcium oxide in water and then precipitating with hydrochloric acid. It, too ...
The wet sulfuric acid process (WSA process) is a gas desulfurization process. After Danish company Haldor Topsoe introduced this technology in 1987, it has been recognized as a process for recovering sulfur from various process gases in the form of commercial quality sulfuric acid (H 2 SO 4) with the simultaneous production of high-pressure steam.
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Flowers of Sulfur can be used as a humid sulfur vapor test for creep corrosion. [12] Creep corrosion is the corrosion of copper or silver caused by sulfur pollution and causes failure in electronic products. Sulfur pollution includes elemental sulfur, sulfur dioxide, and hydrogen sulfide, which can oxidize metals. [13]
Dr. Thomas O’Brien and his wife Ruth Reardon O’Brien, the parents of late night comedian Conan O’Brien, have died three days apart. Thomas was 95 and Ruth was 92. Thomas died on Monday, Dec ...