نتایج جستجو برای: alkaline solution concentration 01 3
تعداد نتایج: 2544965 فیلتر نتایج به سال:
a sodium dodecyl sulfate modified carbon paste electrode (sds/cpe) was developed in this work based on the surface modification method. the modified electrode was prepared by immersing sds/cpe in a nickel nitrate solution. this electrode showed a strong accumulation ability toward nickel ions. then modified electrode was conditioned by potential recycling in a potential range of 0.2–0.8 v (vs. ...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
This relatively simple method for quantitative estimation of lipoprotein X is based on assay of phospholipids in precipitates of lipoprotein X. We first remove other lipoproteins by precipitation with phosphotungstic acid solution. Lipoprotein X is then precipitated from the supernatant fluid with an alkaline solution of magnesium ion, and phospholipid is determined in this precipitate. Results...
Potato (Solanum tuberosum L.) plantlet regeneration potentiality was studied in ammonium nitrate (NH4NO3) free tissue culture medium. Four different treatments were designed from the compositions of stock solution-01 plant Those -Treatment-1 (Stock solution -01 as recommended by Murashige & Skoog (1962), Treatment-2 (MS without having NH4NO3), Treatment-3 solution-01without NH4NO3 but other...
Hydrogen is becoming important clean energy while zerovalent iron (ZVI) and ferroferric oxide are of great interest to many applications including environmental remediation chemical catalysis. Here, we report production hydrogen, octahedron by etching Al–Fe alloys using NaOH solutions. The rate hydrogen generation increased with increasing concentration the alloy's particle size decreasing Fe c...
Alkaline treated raisin is one of the most important raisins produced from Bidaneh Sefid grape in large scale in Iran. In current research, effects of potassium carbonate on drying rate, antioxidant activity, total phenolics and color of raisin were investigated. Raisin was produced sun-dried (as control), cold and warm alkaline at four concentrations of 0.75, 1.5, 3 and 6 percent of potassium ...
A sodium dodecyl sulfate modified carbon paste electrode (SDS/CPE) was developed in this work based on the surface modification method. The modified electrode was prepared by immersing SDS/CPE in a nickel nitrate solution. This electrode showed a strong accumulation ability toward nickel ions. Then modified electrode was conditioned by potential recycling in a potential range of 0.2–0.8 V (vs. ...
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