Non-chromium

英 美
  • 无铬
  • cost n.费用;成本;代价;[律]诉讼费用v.花费;使付出;使做不愉快的事;估算成本
  • non adv.[拉]非;不是
  • tax n.税;负担v.斥责;课税;使...负重荷
    1. In view of the detrimental effect of mercury and chromium in determination of iron by means of dichromate titration, a new method was proposed containing no mercury and chromium.
      针对重铬酸钾法测定铁含量中汞和铬的有害影响,介绍了一种无汞无铬测定法。