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. ...

The Cu(II) atom in the title compound, [Cu(NO(3))(2)(C(20)H(40)N(4))], is N,N',N'',N'''-chelated by the macrocyclic ligand: the four N atoms form a square, above and below which are located the O atoms of the nitrate ions. The metal atom exists in a tetra-gonally distorted octa-hedron, on a special position of [Formula: see text] site symmetry. One of the amino groups is hydrogen bonded to an O...

In the title compound, [Cd(NO(3))(2)(C(12)H(12)N(6))(2)](n), the Cd(II) cation is located on an inversion center and is six-coordinated by four N atoms from four 1,3-bis-[(1H-1,2,4-triazol-1-yl)meth-yl]benzene (L) ligands and two O atoms from two nitrate anions in a slightly distorted octa-hedral geometry. The ligands link different Cd(II) ions into a ribbon-like structure along [001]. Two O at...

Chemiluminescence nitrogen detection (CLND) provides equimolar response for nitrogen-containing ions such as nitrate, nitrite, cyanide, ammonium and tetradecyltrimethylammonium. Only azide yields a lower response. Nitrite, azide and nitrate are separated on a Dionex AS11 column using 5 nM NaOH as eluent with a 3 microM (1 ng N) limit of detection. Matrices, such as 1:10 diluted seawater, do not...

a simple, fast and one-pot synthesis procedure based on the bioreduction ability of an algal extract solution has been developed to produce silver nanoparticles (agnps). we focus especially on the influencing factors of agnps formation. the effects of various factors like ph, temperature, the concentration of metal ions and alga, the volume ratio of silver nitrate solution to alga extract, reac...

in order to reduce the operating temperature of solid oxide fuel cells (sofcs), novel electrolyte materials based on ceo2 and baceo3 are being developed in the scientific realm. in this context, we propose a new methodology for preparing the nano-ceramic composite materials such as bace0.9gd0.9o3-δ – ce0.9gd0.9o2-δ (bcgo–cgo) and bace0.8sm0.2o3-δ – ce0.8sm0.2o2-δ (bcso – cso) as possible elec...

In the title compound, [Co(NO(3))(2)(C(18)H(16)N(2)O(2))(2)](n), the Co(II) ion is located on an inversion center and is six-coordinated in an octa-hedral environment defined by four N atoms of the pyridine rings and two O atoms of the nitrate anions. The ligands link the Co(II) ions into a linear chain running along [201]. One O atom of the nitrate ligand is disordered over two positions with ...

In the title chain compound, [Ag(NO(3))(C(26)H(24)P(2))](n), the bis-(diphenyl-phosphino)ethane (dppe) units link the Ag(+) ions into chains along [001]. A nitrate anion is coordinated to the Ag atom. There is a centre of symmetry at the mid-point of the ethane C-C bond and a twofold rotation axis passes through the Ag, N and terminal O atoms. Each Ag atom is four-coordinated in a distorted tet...

This study describes a multi-ion-selective electrode system for the simultaneous determination of nitrate and chloride ions in air samples by using multivariate calibration methods. The measurement was constituted two ion-selective electrodes, an Ag/AgCl double-junction reference multi-potentiometer. measurements were performed at pH 5.0 acetic acid/sodium acetate buffer. obtained data evaluate...