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Phosphoryl bromide is prepared by the reaction between phosphorus pentabromide and phosphorus pentoxide: [4] [5]. 3 PBr 5 + P 2 O 5 → 5 POBr 3. It can also be prepared via the slow addition of liquid bromine to phosphorus tribromide at 0 °C, followed by the slow addition of water and vacuum distillation of the resulting slurry.
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]
Pages in category "Phosphorus(V) compounds" The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes. M.
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes
Organophosphorus chemistry is the scientific study of the synthesis and properties of organophosphorus compounds, which are organic compounds containing phosphorus. [1] They are used primarily in pest control as an alternative to chlorinated hydrocarbons that persist in the environment.
Water conditioners are formulations designed to be added to tap water before its use in an aquarium. [1] [2] If the tap water is chlorinated then a simple conditioner containing a dechlorinator may be used. These products contain sodium thiosulfate which reduces chlorine to chloride which is less harmful to fish.
Tofu (drain the water, wrap tightly in plastic wrap and store in heavy-duty freezer bag) Tortillas (flour, corn, homemade or store-bought) What Are the Best Ways to Store Food?
The Water Quality Association (WQA) is an Illinois-based trade association representing the residential, commercial, industrial, and small community water treatment industry in the United States. [ 1 ] [ 2 ] It has more than 2,500 members consisting of both manufacturers as well as dealers/distributors of equipment.
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