Black medicine classification and use
The chemical name for the drug black dithiophosphoric phosphate. Commonly used are toluene-based black medicines, which are classified into No. 15 black medicine, No. 25 black medicine, and No. 31 black medicine because of the amount of phosphorus pentoxide added during the manufacture of the ingredients. In recent years, a successful trial of butylammonium black drug has been made. Aerofloat used for flotation of copper sulphide ore containing pyrite, zinc and lead metals Cu, Zn ore plurality. The characteristics of black medicine are: mostly dark green oily liquid, corrosive, slightly soluble in water, decomposed by heat, in addition to the collecting performance, there is foaming performance, its selectivity is good, the arrest of pyrite Poor ability to receive. It should be pointed out that black medicine is not easily decomposed in acidic pulp, and it is also difficult to oxidize. However, since a small amount of a vulcanizing agent such as H2SNa2S, which is a heavy oxidized ore, is dissolved therein, it is suitable to select a slightly oxidized sulfide ore with a black drug. 190. What kind of minerals are the main types of hydrocarbon ACID collectors used for? What should you pay attention to when selecting? Such collectors are less selective. It is mainly used for flotation of alkali metal ore (such as scheelite , fluorite , calcite , apatite, etc.), oxidized ore (such as hematite, cassiterite , etc.), silicate ore (such as quartz ). Because of its poor selectivity, it is necessary to add a conditioning agent during flotation to increase the selectivity of the agent, which is a problem to be paid attention to when applying the agent.
Acesulfame K is 200 times sweeter than sucrose (common sugar), as sweet as aspartame, about two-thirds as sweet as saccharin, and one-third as sweet as sucralose. Like saccharin, it has a slightly bitter aftertaste, especially at high concentrations. Kraft Foods patented the use of sodium ferulate to mask acesulfame's aftertaste.Acesulfame K is often blended with other sweeteners (usually sucralose or aspartame). These blends are reputed to give a more sucrose-like taste whereby each sweetener masks the other's aftertaste, or exhibits a synergistic effect by which the blend is sweeter than its components.Acesulfame potassium has a smaller particle size than sucrose, allowing for its mixtures with other sweeteners to be more uniform.
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