[PDF] Top 20 Determination of vanillin in real samples using Lysine modified carbon paste electrode

... homogenized paste was packed carefully into the cavity at the end of a glass tube (3 mm inner diameter and height 6 cm) to avoid air gap which often enhance the electrode ...the carbon paste ... See full document

... Cd(II)-CPE modified with lanthanum tungstate was prepared for the potentiometric measure- ment of Cd(II) ions in several aqueous real ...sensor electrode has been efficiently determined Cd(II) ions ... See full document

... the determination of TA in the analysis of some commercial wine, juice, vegetables using the novel method described ...the samples to a pretreatment with the enzyme ascorbate oxidase to eliminate the ... See full document

... Vanillin, magnesium nitrate, single wall carbon nanotubes, sodium hydroxide and phosphoric acid were purchased from Sigma-Aldrich. Graphite powder, 1-butyl-3-methylimidazolium hexafluoro phosphate and ... See full document

... and determination of glutathione by using pyrogallol red modified carbon nanotube paste electrode ...new electrode in the electrocatalysis and determination of GSH ... See full document

... The urine samples were stored in a refrigerator immediately after collection. Ten milliliters of the sample was centrifuged for 10 min at 2000 rpm. The supernatant was filtered using a 0.45 μm filter and ... See full document

... the modified electrode can be related to the larger microscopic area and also the electrocatalytic effect of the nanocomposite on the oxidation of the deposited ...of electrode increased and resulted ... See full document

... the determination of boron using cobalt phthalocyanine modified carbon paste electrode (CoPcMCPE) was ...method using CoPcMCPE were determined as ammonium acetate-ammonia ... See full document

... ferrocene modified carbon nanotubes paste electrode (FCMCNTPE) was constructed and used as a fast and sensitive tool for the determination of N-acetylcysteine (NAC) at trace ...the ... See full document

... grade carbon powder obtained from E- Merck, India limited was used as received for the prepa- ration of the ...the Carbon Paste Electrode The spectroscopic grade carbon powder was ... See full document

... in real biological matrices is the coexistence of some interfering ...bare carbon electrode surface [6] which result in an overlap of their voltammetric response ...the electrode surface by ... See full document

... Nitrite is one of the pollutants widely found in natural waters, wastes from fertilizers or intentional additions of nitrites for corrosion control or protection of meat prod- ucts. Nitrite ions can interact with amines ... See full document

... the determination of phenylhydrazine (PH) was developed using a modified carbon nanotube paste ...The modified electrode showed an excellent character for electrocatalytic ... See full document

... new modified CPE with silica gel/CNTs was successfully used in combination with the SWV technique to develop a novel and alternative electroanalytical method for AA determination in the plant ...CPE ... See full document

... (clay) modified carbon paste electrodes (ZMCPE) have been proved to be useful in analysis due to their special constraints, and surface chemical effects lead to new patterns of reactivity, ...the ... See full document

... process. Using the proposed method, iron was successfully determined in ore samples, suggesting that this method can be applied to the determination of iron in geological ... See full document

... a modified carbon nanotube paste ...the modified electrode was ...prepared modified electrode exhibits a very good resolution between the voltammetric peaks of ... See full document

... the carbon paste filling served as the electrode ...the paste down when regeneration of the electrode surface is ...The modified paste is prepared by adding the suitable ... See full document

... of carbon paste modified with anthraquinone as a sensitive electrochemical electrode was established for the determination of catechol using square wave ...Furthermore, ... See full document

... prepared electrode for determination of INH, the common blood electrolyte interferences such as Cd 2+ ,Cu 2+ , Fe 2+ , Zn 2+ , Co 2+ and K + cations were checked as potential interfering species in the ... See full document