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本方法基于季胺氯仿溶液萃取硫氰酸根,再用0.1N 高氯酸溶液反萃于水相中,可使硫氰酸根与大量镍、钴分离。异烟酸—吡唑啉酮比色法测定。
The method is based on quaternary ammonium chloride solution extraction thiocyanate, and then 0.1N perchloric acid solution stripping in the aqueous phase, thiocyanate can be a large number of nickel and cobalt separation. Isonicotinic acid - pyrazolone colorimetric method.