Use of dibenzyldithiocarbaminate as coprecipitant in the routine determination of 12 heavy metals in pharmaceuticals by x-ray fluorescence spectroscopy

Linder, H. R.; Seltner, H. D.; Schreiber, B.

doi:10.1021/ac50029a019

Cited by 63 publications

(8 citation statements)

References 12 publications

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“…The chelate reagents used are frequently sodium diethyldithiocarbamate (NaDDTC), [12][13][14] ammonium pyrrolidinedithiocarbamate (APDC), [15][16][17][18] and sodium dibenzyldithiocarbamate (NaDBDTC). [19][20][21] Another method to concentrate trace elements is ion-exchange collection. Ion-exchange resin [22][23][24] and paper, [25][26][27] chelate ionexchange resin [28][29][30][31][32] and paper 33 have been used to concentrate trace elements.…”

Section: Introductionmentioning

confidence: 99%

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery

Ida

Kawai

2004

J. Anal. At. Spectrom.

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Section: Introductionmentioning

confidence: 99%

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery

Ida

Kawai

2004

J. Anal. At. Spectrom.

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“…Of these reagents, carbamates such as pyrrolidinedithiocarbamate (PDTC or APDC), diethyldithiocarbamate (DDTC) and dibenzyldithiocarbamate (DBDTC) were applied to several metals. [7][8][9][10][11][12][13][14][15][16][17] However, the recovery of Mn was very low with any of the carbamates reported. Püschel proposed 1-(2-pyridylazo)-2-naphthol (PAN) for Mn, Fe, Co, Ni, Cu and Zn.…”

Section: Introductionmentioning

confidence: 89%

“…Of many instrumental methods, X-ray uorescence (XRF) spectrometry satises such requirements. [7][8][9][10][11][12][13][14][15][16][17] However, the recovery of Mn was very low with any of the carbamates reported. Usually XRF is, however, not applied directly to liquid samples due to its poor sensitivity.…”

Section: Introductionmentioning

confidence: 99%

A simple and rapid method for simultaneous pre-concentration of eight trace-heavy-metals in water using 1-(2-pyridylazo)-2-naphthol and yttrium for X-ray fluorescence spectrometry

et al. 2015

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A simple and rapid pre-concentration technique was proposed for the simultaneous determination of eight trace heavy metals in water by energy-dispersive X-ray fluorescence (EDXRF) spectrometry. Yttrium was added as a carrier ion to a sample solution containing Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn. The metals were collected on a membrane filter as precipitates or co-precipitates with 1-(2-pyridylazo)-2-naphthol at pH 10. The metals on the filter were determined by EDXRF spectrometry. Yttrium improved the collection efficiency of Cr(III) drastically and also expanded the pH ranges for quantitative recoveries of the metals. Only fifteen minutes was required to prepare the membrane filter retaining the metals. Linear calibrations were obtained from mg L À1 to mg L À1 levels of the metals in 50 mL sample solution. The limits of detection were as follows: Cd, 1 mg L À1 ; Cr, 0.3 mg L À1 ; Cu, 1 mg L À1 ; Fe, 1 mg L À1 ; Mn, 0.3 mg L À1 ;Ni, 2 mg L À1 ; Pb, 2 mg L À1 ; and Zn, 2 mg L À1 . The sensitivities were sufficient for monitoring drinking water. The proposed method was applied to river water and underground water samples. The analytical results agreed with those obtained by GF-AAS for the detected metals. The recoveries of the spiked metals in the water samples were quantitative. This method was extended to the separation and determination of Cr(III) and Cr(VI). The proposed system of pre-concentration and EDXRF spectrometry has high potential for routine monitoring of trace heavy metals because of its simplicity and rapidity besides cost-effectiveness.

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“…A wide range of methods including atomic absorption spectroscopy, ion‐selective electrodes, inductively coupled plasma mass spectroscopy, inductively coupled atomic emission spectroscopy, voltammetry and X‐ray fluorescence, have been used for the detection of copper . Even though these methods provide a good level of detection over a wide range of concentration range, most of them require expensive instruments, well‐trained personnel and thorough sample preparation.…”

Section: Introductionmentioning

confidence: 99%

Highly Selective and Sensitive (PPB Level) Quinolin‐Based Colorimetric Chemosensor for Cu(II)

et al. 2020

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4-(quinolin-2-ylmethylene)aminophenol (QMAP) is synthesised in a one-step synthetic process and was checked for its sensing ability towards metal ions. The molecule is found to be effective for the instantaneous selective and sensitive Cu(II) ion detection in PPB level in methanolic solution with a distinct development of orangish yellow colour from a colourless solution, which can be detected visually. The sensing ability of the QMAP towards Cu(II) is found independent on the type of counter anions and also in the presence of other metal ions. QMAP does not show any colour change in the presence of other metal salts. A 2 : 1 binding stoichiometry between QMAP and Cu(II) with a large binding constant of 3.2 x 10 10 M À 2 has been measured. Quantum chemical calculations have been used to understand the nature of the complex and the mechanism of the sensing.

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Use of dibenzyldithiocarbaminate as coprecipitant in the routine determination of 12 heavy metals in pharmaceuticals by x-ray fluorescence spectroscopy

Cited by 63 publications

References 12 publications

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery

A simple and rapid method for simultaneous pre-concentration of eight trace-heavy-metals in water using 1-(2-pyridylazo)-2-naphthol and yttrium for X-ray fluorescence spectrometry

Highly Selective and Sensitive (PPB Level) Quinolin‐Based Colorimetric Chemosensor for Cu(II)

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Use of dibenzyldithiocarbaminate as coprecipitant in the routine determination of 12 heavy metals in pharmaceuticals by x-ray fluorescence spectroscopy

Cited by 63 publications

References 12 publications

X-ray fluorescence analysis at mg l−1level with an X-ray source powered by a dry battery

X-ray fluorescence analysis at mg l−1level with an X-ray source powered by a dry battery

A simple and rapid method for simultaneous pre-concentration of eight trace-heavy-metals in water using 1-(2-pyridylazo)-2-naphthol and yttrium for X-ray fluorescence spectrometry

Highly Selective and Sensitive (PPB Level) Quinolin‐Based Colorimetric Chemosensor for Cu(II)

Contact Info

Product

Resources

About

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery

X-ray fluorescence analysis at mg l⁻¹level with an X-ray source powered by a dry battery