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hypophosphite การใช้

ประโยคมือถือ
  • It can also be prepared photochemically, by irradiating cupric hypophosphite with ultraviolet radiation.
  • Sodium hypophosphite is mainly used for electroless nickel plating ( Ni-P ).
  • Sodium hypophosphite should be kept in a cool, dry place, isolated from oxidizing materials.
  • Arbotect ( thiabendazole hypophosphite ) became available some years later, and it has been proven effective.
  • The majority of EN films used commercially are deposited from solutions formulated with sodium hypophosphite as the reducing agent.
  • Sodium hypophosphite is capable of reducing nickel ions in solution to metallic nickel on metal substrates as well as on plastic substrates.
  • Electroless nickel plating uses hypophosphite as the reducer while plating of other metals like silver, gold and copper typically use low molecular weight aldehydes.
  • One such research is  Chemical reduction method for preparing copper nano-powder with high purity using sodium hypophosphite as reductant, which uses tetraaminecopper ( II ) sulfate.
  • Examples include the reduction of copper ( II ) sulfate with sodium hypophosphite in the presence of sulfuric acid, Other reducing agents, including classical aluminium hydrides can be used.
  • The process relies on the presence of a reducing agent, for example hydrated sodium hypophosphite ( NaPO 2 H 2 稨 2 O ) which reacts with the metal ions to deposit metal.
  • If you read phosphine, you'll see that sodium hypophosphite ( Na [ H 2 PO 2 ] ) and sodium phosphite ( Na 2 [ HPO 3 ] ) are by-products.
  • The reaction is accomplished when hydrogen is released by a reducing agent, normally sodium hypophosphite ( Note : the hydrogen leaves as a hydride ion ) or thiourea, and oxidized, thus producing a negative charge on the surface of the part.