نتایج جستجو برای: indirect determination
تعداد نتایج: 328778 فیلتر نتایج به سال:
Journal:
:physical chemistry and electrochemistry
0
masoomeh emadi
young researchers and elite club, marvdasht branch, islamic azad university, marvdasht, iran mohammad alizare zare
1young researchers and elite club, marvdasht branch, islamic azad university, marvdasht, iran omran moradlou
2department of chemistry, college of sciences, alzahra university, tehran, iran maryam iranpour
department of science and research branch, islamic azad university, fars, iran
a new and simple method followed by atomic absorption spectrometry has been developedfor indirect determination of ascorbic acid (aa). the proposed method was based on the oxidationof aa to dehydroascorbic acid with cu2+cation(200mgl-1)in an ammonium thiocyanatesolution atph2.4. aa reduces cu2+to cu+followed by the precipitation of cu+ with scn-. then, the excess ofcu2+in the solution was measu...
Journal:
:Journal of AOAC INTERNATIONAL
1996
Journal:
:Biotechnology in Animal Husbandry
2005
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