A rhodamine-based fluorescent probe for Hg 2 ... - DeepDyve

Nov 01, 2014· Read "A rhodamine-based fluorescent probe for Hg 2+ and its application for biological visualization, Sensors and Actuators B: Chemical" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

FAD: Pauthors - University of North Florida

"Flow Injection Determination Of Iodide Ion In A Photographic Developing Solution Using Iodide Ion-selective Electrode Detector" ... with increasing concentration. of cationic surfactant because added cationic surfactant preferentially forms an ion associate with the DBS. The detection of increase in the fluorescence intensity was applied to ...

Spectrophotometric determination of trace mercury (II) in ...

Free Online Library: Spectrophotometric determination of trace mercury (II) in dental-unit wastewater and fertilizer samples using the novel reagent 4-hydroxy-3-(2-oxoindolin-3-ylideneamino)-2-thioxo-2h-1,3-thiazin-6(3h)-one and the dual--wavelength [beta]--correction spectrophotometry.(Report) by "International Journal of Applied Chemistry"; Science and technology, general Agricultural ...

Sensitive Ion-Flotation Separation of Ag(I) Traces Using 2 ...

Sac¸macı, S¸. Kartal, A Multi-Element Ion-Pair Extraction for Trace metric Determination of Ag(I) at the 10 7 mol L 1 Level Using Metals Determination in Environmental Samples, Clean – Soil Air Iodide and Ferroin as an Ion-Associate, J. Korean Chem. Soc. 2005, Water 2011, 39, 577. 26, 1529. [22] H.

Separation and Preconcentration of Ag(I) in Aqueous ...

Separation and Preconcentration of Ag(I) in Aqueous Samples by Flotation as an Ion‐Associate Using Iodide and Ferroin Followed the Determination by Flame Atomic Absorption Spectrometry

Flotation Separation and Electrothermal Atomic Absorption ...

Separation and Preconcentration of Ag(I) in Aqueous Samples by Flotation as an Ion‐Associate Using Iodide and Ferroin Followed the Determination by Flame Atomic Absorption Spectrometry Article ...

Spectrophotometric Determination of Iodine Species in ...

Spectrophotometric Determination of Iodine Species in Table Salt, Pharmaceutical Preparations and Sea Water ... The developed method can be applied to samples containing iodine and iodide by oxidation to iodate using bromine solution under acidic condition. ... used the ion-associate of periodate with amiloride hydrochloride for simultaneous ...

CN101975767A - Method for measuring bonding potential ...

The invention relates to a method for measuring bonding potential between soluble organisms and metal ions in water environment by using a fluorescence quenching method along with parallel factor analysis. The method comprises the following steps: filtering a water sample by a 0.45-mu m filter membrane, wherein the organisms in the filtrate are the soluble organisms; adding the standard ...

Hashemi-Moghaddam

Sensitized extraction spectrophotometric determination of Hg(II) with dithizone after its flotation as ion-associate using iodide and ferroin, Talanta 67 (2005) 555–559 Flotation-Spectrophotometric Determination of Ag(I) at the 10-7 mol LLevel Using Iodide and Ferroin as an Ion-associate, Bull. Korean Chem. Soc. 2005, 26, 1529-1532.

BTBMI 2008 PDF - hccdc.info

Sep 08, 2019· Buku Tarif Bea Masuk Indonesia buku tarif bea masuk indonesia Tesis ini membahas kontestasi pemaknaan atas FPI dalam hubungannya dengan. Sensitized extraction spectrophotometric … Sensitized extraction spectrophotometric determination of Hg II with dithizone after its flotation as ion-associate using iodide and ferroin [understand more].

Flotation-spectrophotometric determination of mercury in ...

Flotation-spectrophotometric determination of mercury in water samples using iodide and ferroin. [Mohammad Saeid Hosseini, Hamid Hashemi-Moghaddam] PMID 15524200 . Abstract ... The method is based on the flotation of an ion-associate of HgI4(2-) and ferroin between aqueous and n-heptane interface at pH 5. ...

Sensitized extraction spectrophotometric determination of ...

Sep 15, 2005· The interference of Cd 2+ is attributed to form a more stable complex with phen as Cd(phen) 3 2+ and produces an ion-associate with iodide. This interfering ion-associate can be floated similarly at the critical concentrations and more. During the extraction of mercury content, it can also be extracted with dithizone in the same manner .

Spectrophotometric flow injection ... - SpringerLink

Abstract. A new simple, rapid and sensitive spectrophotometric flow injection method for the determination of trace iodide is described based on an ion associate of iodate (IO 3 –) with 2- (3,5-dibromo-2-pyridylazo)-5-diethylamino-phenol (3,5-Br 2-PADAP) and thiocyanate (SCN –).In a strongly acidic medium, this unstable violet product was formed with an absorption maximum at 605 nm.

mol L Level Using Iodide and Ferroin as an Ion-associate

The method is based on the flotation of Ag(I)-iodide complex as an ion-associate with ferroin in pH of 4 from a large volume of an aqueous solution (500 mL) using n - heptane. The floated layer ...

Development of surfactant assisted kinetic method for ...

A simple and highly selective surfactant assisted kinetic spectrophotometric method for the determination of thallium has been developed. The method is based on the quantitative oxidation of Tl(I) to Tl(III) using bromine water where the resulting Tl(III) liberated iodine from potassium iodide in acidic medium.

e m i s t ry & Lastovka et al., Mod Chem appl 2017, 5:3 C ...

unrestricted use, distribution, and reproduction in any medium, provided the ... titrimetric methods based on redox reactions using iodide-anion, salts of iron(II), chromium(II) or titanium(III) as reducing agents, as ... and it formed ion associate with molibdotellurous heteropolyacid

Sensitized extraction spectrophotometric determination of ...

Sep 15, 2005· Sensitized extraction spectrophotometric determination of Hg(II) with dithizone after its flotation as ion-associate using iodide and ferroin. Author links open overlay panel Mohammad Saeid Hosseini Hamid Hashemi-Moghaddam. Show more. ... The method is based on the flotation of an ion-associate of HgI 4 2 ...

Determination of thallium in wine by electrothermal atomic ...

Two pyrolytically coated graphite tubes with pyrolytic possibilities were studied: extraction of dithiocar- platforms and graphite tubes with center-fixed bamate (chelate) complexes of Tl and extraction platforms were used as atomizers for the SpectrAA of iodide (ion associate) complexes of Tl, both 880.

Separation and Preconcentration of Ag(I) in Aqueous ...

How to Cite. Hosseini, M. S., Hashemi-Moghaddam, H. and Kardan-Moghaddam, G. (2007), Separation and Preconcentration of Ag(I) in Aqueous Samples by Flotation as an Ion-Associate Using Iodide and Ferroin Followed the Determination by Flame Atomic Absorption Spectrometry.

Spectrophotometric Determination of Iodine Species in ...

concentration of iodide is established from the calibration graph. Determination of Iodate and PeriodateMethod 1: Reduction of Io-date and Periodate to Iodide Using Zn/H: One milliliter of 69mgml1 of iodate or 75mgml1 of periodate is added to 25ml of water taken in a 50ml beaker. To this 0.2—0.25g of zinc metal and 1ml of 6M sulphuric acid were

Hamid Hashemi-Moghaddam - Google Scholar Citations

Their combined citations are counted only for the first article. Merged citations. This "Cited by" count includes citations to the following articles in Scholar. ... (II) with dithizone after its flotation as ion-associate using iodide and ferroin. MS Hosseini, H Hashemi-Moghaddam.

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Vortex-assisted liquid-liquid microextraction procedure ...

Vortex-assisted liquid-liquid microextraction procedure for iodine speciation in water samples ... effect after acidification of the solution in sufficient excess of TBA iodide followed by extraction of the ion associate TBA-triiodide. Iodide, ... V. AndruchA novel vortex-assisted liquid–liquid microextraction approach using auxiliary solvent ...

Sensitized extraction spectrophotometric determination of ...

Sep 15, 2005· Read "Sensitized extraction spectrophotometric determination of Hg(II) with dithizone after its flotation as ion-associate using iodide and ferroin, Talanta" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at …

Spectrophotometric Determination of Periodate, Iodate and ...

Iodide solution (1.6× solution was transferred into a glass cell to mea- 10 − 2 M) was prepared by dissolving 0.5906 g sure the decrease in absorbance at 665 nm during sodium iodide (Merck) in water and diluting to 20– 180 s on the concentration of periodate and the mark in a 250 ml volumetric flask.

A NOVEL SPECTROPHOTOMETRIC METHOD FOR THE …

flotation as ion-associate using iodide and ferroin 0.14 ng/mL Involves separation and preconcen-tration steps 14 15 Spectrophotometric method based on the formation of ion-pair complex Microgram levels Involves extraction step 15 16 Kinetic method for the determination of …

(PDF) Flotation-Spectrophotometric Determination of Ag(I ...

A floation-spectrophotometric determination of silver(I) at the vel using iodide and ferrozine [62] [63] [64] as an ion-associate method was developed. This method was based on the floatation of ...

Spectrophotometric Determination of Iodine Species in ...

A sensitive spectrophotometric method for the determination of iodine species like iodide, iodine, iodate and periodate is described. The method involves the oxidation of hydroxylamine to nitrite with iodate under acidic condition. The formed nitrite is determined based on the diazo coupling...

Titrimetric and spectrophotometric assay of ...

Titrimetric and spectrophotometric assay of diethylcarbamazine citrate in formulations using iodate and iodide mixture as reagents 45 using iodate and iodide as reagents. Iodide of the mixture present is oxidized by iodate in an amount equivalent to the COOH group present in citrate in DEC to iodine and the liberated iodine is determined.

Hamid Hashemi-Moghaddam | Ph.D. | Islamic Azad University ...

Hamid Hashemi-Moghaddam currently works at the Department of Chemistry Damghan Branch, Islamic Azad University. Hamid does research in Analytical Chemistry and Medicinal Chemistry. Their current ...