Topics
microcrystallineChemical compound
magnesiumChemical substance
terCompany
adsorptionLocomotive
pHAircraft
naphthaleneChemical substance
standard deviationSoftware
A procedure is presented for the spectrophotometric determination of magnesium af,ter separation by adsorption of magnesium oxinate on microcrystalline naphthalene. A water-insoluble oxine chelate produced with magnesium is quantitatively adsorbed from aqueous solution with microcrystalline naphthalene. This chelate has an absorption maximum at 382 nm. The optimum pH range for the adsorption is 8.6- 10.8. The molar absorptivity is 4.1 x 103 l mol-l·cm-l . the sensitivity being 5.9 K 10-3 pg per ㎠ for the absorbance of 0.001. Ten determinations of the sample solution containing 30 pg of magnesium, prepared by the general procedure, gave a mean absorbance of 0.506 with a relative standard deviation of 2.5%. 200 min
A new method is described for naphthalene extraction and spectrophotometric determination of trace ...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after s...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after ...
A new method by "solid-liquid separation after liquid-liquid extraction" was proposed for the spectr...
A new method by "solid-liquid separation after liquid-liquid extraction" was proposed for the spect...
The method of adsorption of zinc oxinate on microcrystalline naphthalene followed by solid-liquid se...
A procedure is presented for the spectrophotometric determination of cadmium after separation by ads...
A procedure is presented for the spectrophotometric determination of cadmium after separation by ad...
Various colormetric methods for determining magnesium in natural waters have been studied, and the m...
Various colormetric methods for determining magnesium in natural waters have been studied, and the m...
ABSTRACT: Magnesium is extracted with a chloroform solution of N-p-tolyl-2-thenohydroxamic acid (PTT...
The method of liquid-liquid extraction of zinc oxinate with melted naphthalene followed by solid-liq...
A spectrophotometric method for the determination of iron(Ⅲ) after adsorption of its oxinate onto mi...
In carrying out the flame photometry for the determination of trace metal elements, a method of extr...
AbstractIn this work, the magnesium content was determined by the solution scanometric method using ...
A new method is described for naphthalene extraction and spectrophotometric determination of trace ...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after s...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after ...
A new method by "solid-liquid separation after liquid-liquid extraction" was proposed for the spectr...
A new method by "solid-liquid separation after liquid-liquid extraction" was proposed for the spect...
The method of adsorption of zinc oxinate on microcrystalline naphthalene followed by solid-liquid se...
A procedure is presented for the spectrophotometric determination of cadmium after separation by ads...
A procedure is presented for the spectrophotometric determination of cadmium after separation by ad...
Various colormetric methods for determining magnesium in natural waters have been studied, and the m...
Various colormetric methods for determining magnesium in natural waters have been studied, and the m...
ABSTRACT: Magnesium is extracted with a chloroform solution of N-p-tolyl-2-thenohydroxamic acid (PTT...
The method of liquid-liquid extraction of zinc oxinate with melted naphthalene followed by solid-liq...
A spectrophotometric method for the determination of iron(Ⅲ) after adsorption of its oxinate onto mi...
In carrying out the flame photometry for the determination of trace metal elements, a method of extr...
AbstractIn this work, the magnesium content was determined by the solution scanometric method using ...
A new method is described for naphthalene extraction and spectrophotometric determination of trace ...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after s...
The method is presented for the spectrophotometric determination of trace amounts of iron(Ⅲ) after ...
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